I think I got it.

Also gibs should be better too.

code/__HELPERS/_cit_helpers.dm

@@ -122,6 +122,23 @@ GLOBAL_LIST_INIT(regular_bloods,list(
 		"AB+"
 		))
 
+GLOBAL_LIST_INIT(all_types_bloods,list(
+		"O-",
+		"O+",
+		"A-",
+		"A+",
+		"B-",
+		"B+",
+		"AB-",
+		"AB+",
+		"SY",
+		"X*",
+		"HF",
+		"L",
+		"U",
+		"GEL"
+		))
+
 GLOBAL_LIST_INIT(blood_types, list(
 		"blood",
 		"syntheticblood",

code/datums/components/decals/blood.dm

@@ -15,21 +15,21 @@
 		_icon_state = "itemblood"
 	var/icon = initial(I.icon)
 	var/icon_state = initial(I.icon_state)
-	var/color = initial(I.blood_DNA_to_color(I.blood_mix_types))
 	if(!icon || !icon_state)
 		// It's something which takes on the look of other items, probably
 		icon = I.icon
 		icon_state = I.icon_state
+	GET_COMPONENT(D, /datum/component/forensics)
 	var/static/list/blood_splatter_appearances = list()
 	//try to find a pre-processed blood-splatter. otherwise, make a new one
-	var/index = "[REF(icon)]-[icon_state]-[color]"
+	var/index = "[REF(icon)]-[icon_state]-[D.blood_mix_color]"
 	pic = blood_splatter_appearances[index]
 
 	if(!pic)
 		var/icon/blood_splatter_icon = icon(initial(I.icon), initial(I.icon_state), , 1)		//we only want to apply blood-splatters to the initial icon_state for each object
 		blood_splatter_icon.Blend("#fff", ICON_ADD) 			//fills the icon_state with white (except where it's transparent)
 		blood_splatter_icon.Blend(icon(_icon, _icon_state), ICON_MULTIPLY) //adds blood and the remaining white areas become transparant
-		blood_splatter_icon.color = I.blood_DNA_to_color(I.blood_mix_types) //Colors it based upon blood color mix
+		blood_splatter_icon.Blend(D.blood_mix_color, ICON_MULTIPLY)  //add the blood's color with DNA information
 		blood_splatter_appearances[index] = pic
 	return TRUE
 

code/datums/components/forensics.dm

@@ -5,6 +5,7 @@
 	var/list/blood_DNA			//assoc dna = bloodtype
 	var/list/fibers				//assoc print = print
 	var/list/blood_mix_types	// data("[blood_type]" = sting list
+	var/blood_mix_color
 
 /datum/component/forensics/InheritComponent(datum/component/forensics/F, original)		//Use of | and |= being different here is INTENTIONAL.
 	fingerprints = fingerprints | F.fingerprints
@@ -12,10 +13,11 @@
 	blood_DNA = blood_DNA | F.blood_DNA
 	fibers = fibers | F.fibers
 	blood_mix_types = blood_mix_types | F.blood_mix_types
+	blood_mix_color = blood_mix_color | F.blood_mix_color
 	check_blood()
 	return ..()
 
-/datum/component/forensics/Initialize(new_fingerprints, new_hiddenprints, new_blood_DNA, new_fibers, new_blood_mix_types)
+/datum/component/forensics/Initialize(new_fingerprints, new_hiddenprints, new_blood_DNA, new_fibers, new_blood_mix_types, new_blood_mix_color)
 	if(!isatom(parent))
 		return COMPONENT_INCOMPATIBLE
 	fingerprints = new_fingerprints
@@ -23,6 +25,7 @@
 	blood_DNA = new_blood_DNA
 	fibers = new_fibers
 	blood_mix_types = new_blood_mix_types
+	blood_mix_color = new_blood_mix_color
 	check_blood()
 	RegisterSignal(parent, COMSIG_COMPONENT_CLEAN_ACT, .proc/clean_act)
 
@@ -36,6 +39,7 @@
 /datum/component/forensics/proc/wipe_blood_DNA()
 	blood_DNA = null
 	blood_mix_types = null
+	blood_mix_color = null
 	return TRUE
 
 /datum/component/forensics/proc/wipe_fibers()
@@ -150,6 +154,8 @@
 	LAZYINITLIST(blood_DNA)
 	for(var/i in dna)
 		blood_DNA[i] = dna[i]
+	var/blood_type = blood_DNA.Find(GLOB.all_types_bloods)
+	add_blood_list(blood_type)
 	check_blood()
 	return TRUE
 
@@ -159,38 +165,21 @@
 	if(!length(blood_DNA))
 		return
 
-/datum/component/forensics/proc/add_blood_list_check(list/_blood_mix_types)
-	if(!length(_blood_mix_types))
+/datum/component/forensics/proc/add_blood_list(blood_type)
+	if(!blood_type)
 		return
 	LAZYINITLIST(blood_mix_types)
-	for(var/i in _blood_mix_types)	//We use an associative list, because all the other cool kids are doing it
-		blood_mix_types[i] = i
+	blood_list_checks(blood_mix_types, blood_type)
+	blood_DNA_to_color(blood_mix_types)
 	return TRUE
 
-/datum/component/forensics/proc/blood_list_checks(Atom/A, var/blood_type) //This is a messy attempt at trying to reduce lists of items and mobs with blood colors on them
+/datum/component/forensics/proc/blood_list_checks(list/blood_types, var/blood_type) //This is a messy attempt at trying to reduce lists of items and mobs with blood colors on them
 	if(blood_type in GLOB.regular_bloods)
 		blood_type = "A+" //generic so we don't have 8 different types of human blood
-	if(is_cleanable(src))
-		var/obj/effect/decal/cleanable/CL = src
-		if(blood_type in CL.blood_mix_types)
+	if(blood_type in blood_mix_types)
 		return
 	else
-			LAZYSET(blood_type,CL.blood_mix_types, CL.blood_mix_types)
-			CL.blood_color = blood_DNA_to_color(CL.blood_mix_types)
-	else if(isitem(src))
-		var/obj/item/I = src
-		if(blood_type in I.blood_mix_types)
-			return
-		else
-			LAZYSET(blood_type,I.blood_mix_types, I.blood_mix_types)
-			I.blood_color = blood_DNA_to_color(I.blood_mix_types)
-	else if(iscarbon(src))
-		var/mob/living/carbon/C = src
-		if(blood_type in C.blood_mix_types)
-			return
-		else
-			LAZYSET(blood_type,C.blood_mix_types, C.blood_mix_types)
-			C.blood_color = blood_DNA_to_color(C.blood_mix_types)
+		LAZYADD(blood_mix_types, blood_type)
 	return TRUE
 
 /datum/component/forensics/proc/blood_DNA_to_color(list/bloods)
@@ -208,4 +197,6 @@
 				i++
 		else
 			final_rgb = BlendRGB(final_rgb, bloodtype_to_color(bloods))
-	return final_rgb
+
+	blood_mix_color = final_rgb
+	return TRUE

code/game/objects/effects/decals/cleanable.dm

@@ -5,7 +5,7 @@
 	var/blood_state = "" //I'm sorry but cleanable/blood code is ass, and so is blood_DNA
 	var/bloodiness = 0 //0-100, amount of blood in this decal, used for making footprints and affecting the alpha of bloody footprints
 	var/mergeable_decal = TRUE //when two of these are on a same tile or do we need to merge them into just one?
-	var/blood_color = BLOOD_COLOR_HUMAN
+	var/blood_color
 
 /obj/effect/decal/cleanable/Initialize(mapload, list/datum/disease/diseases)
 	. = ..()
@@ -75,14 +75,6 @@
 		var/mob/living/carbon/human/H = O
 		if(H.shoes && blood_state && bloodiness && (!H.has_trait(TRAIT_LIGHT_STEP) || !H.mind.assigned_role == "Detective"))
 			var/obj/item/clothing/shoes/S = H.shoes
-			for(var/datum/reagent/R in reagents.reagent_list)
-				// Get blood data from the blood reagent.
-				if(istype(R, /datum/reagent/blood))
-					if(R.data["blood_type"])
-						S.blood_list_checks(src, R.data["blood_type"])
-				else if(istype(R, /datum/reagent/liquidgibs))
-					if(R.data["blood_type"])
-						S.blood_list_checks(src, R.data["blood_type"])
 			var/add_blood = 0
 			if(bloodiness >= BLOOD_GAIN_PER_STEP)
 				add_blood = BLOOD_GAIN_PER_STEP
@@ -96,14 +88,6 @@
 			H.update_inv_shoes()
 
 		else if(H.bloodiness && blood_state && bloodiness && (!H.has_trait(TRAIT_LIGHT_STEP) || !H.mind.assigned_role == "Detective"))
-			for(var/datum/reagent/R in reagents.reagent_list)
-				// Get blood data from the blood reagent.
-				if(istype(R, /datum/reagent/blood))
-					if(R.data["blood_type"])
-						H.blood_list_checks(src, R.data["blood_type"])
-				else if(istype(R, /datum/reagent/liquidgibs))
-					if(R.data["blood_type"])
-						H.blood_list_checks(src, R.data["blood_type"])
 			var/add_blood = 0
 			if(H.bloodiness >= BLOOD_GAIN_PER_STEP)
 				add_blood = BLOOD_GAIN_PER_STEP
@@ -115,19 +99,6 @@
 			H.blood_state = blood_state
 			update_icon()
 
-		else
-			color = blood_DNA_to_color()
-			var/add_blood = 0
-			if(bloodiness >= BLOOD_GAIN_PER_STEP)
-				add_blood = BLOOD_GAIN_PER_STEP
-			else
-				add_blood = bloodiness
-			bloodiness -= add_blood
-			H.blood_smear[blood_state] = min(MAX_SHOE_BLOODINESS,H.blood_smear[blood_state]+add_blood)
-			H.add_blood_DNA(return_blood_DNA())
-			H.blood_state = blood_state
-			update_icon()
-
 /obj/effect/decal/cleanable/proc/can_bloodcrawl_in()
 	if((blood_state != BLOOD_STATE_OIL) && (blood_state != BLOOD_STATE_NOT_BLOODY))
 		return bloodiness

code/game/objects/effects/decals/cleanable/aliens.dm

@@ -7,8 +7,7 @@
 
 /obj/effect/decal/cleanable/blood/xeno/Initialize()
 	. = ..()
-	if(!data)
-		data = add_blood_DNA(list("donor"= "UNKNOWN DNA","bloodcolor" = BLOOD_COLOR_XENO, "blood_type"= "X*"))
+	add_blood_DNA(list("UNKNOWN DNA" = "X*"))
 
 /obj/effect/decal/cleanable/blood/splatter/xeno
 	color = BLOOD_COLOR_XENO
@@ -65,5 +64,4 @@
 
 /obj/effect/decal/cleanable/blood/xeno/tracks/Initialize()
 	. = ..()
-	if(!data)
-		data = add_blood_DNA(list("UNKNOWN DNA" = "X*"))
+	add_blood_DNA(list("UNKNOWN DNA" = "X*"))

code/game/objects/effects/decals/cleanable/gibs.dm

@@ -7,13 +7,16 @@
 	mergeable_decal = FALSE
 	var/gib_overlay = FALSE
 	var/slimy_gibs = FALSE
+	var/body_colors
 
 /obj/effect/decal/cleanable/blood/gibs/proc/guts()
 	if(gib_overlay)
 		var/mutable_appearance/gibz = mutable_appearance(icon, icon_state + "-overlay")
+		var/mutable_appearance/gibz2 = mutable_appearance(icon, icon_state + "c-overlay", color = body_colors)
 		if(!slimy_gibs)
 			gibz.appearance_flags = RESET_COLOR
 		add_overlay(gibz)
+		add_overlay(gibz2)
 
 /obj/effect/decal/cleanable/blood/gibs/ex_act(severity, target)
 	return
@@ -98,26 +101,32 @@
 /obj/effect/decal/cleanable/blood/gibs/human/up
 	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6","gibup1","gibup1","gibup1")
 	gib_overlay = TRUE
+	slimy_gibs = TRUE
 
 /obj/effect/decal/cleanable/blood/gibs/human/down
 	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6","gibdown1","gibdown1","gibdown1")
 	gib_overlay = TRUE
+	slimy_gibs = TRUE
 
 /obj/effect/decal/cleanable/blood/gibs/human/body
 	random_icon_states = list("gibhead", "gibtorso")
 	gib_overlay = TRUE
+	slimy_gibs = TRUE
 
 /obj/effect/decal/cleanable/blood/gibs/human/torso
 	random_icon_states = list("gibtorso")
 	gib_overlay = TRUE
+	slimy_gibs = TRUE
 
 /obj/effect/decal/cleanable/blood/gibs/human/limb
 	random_icon_states = list("gibleg", "gibarm")
 	gib_overlay = TRUE
+	slimy_gibs = TRUE
 
 /obj/effect/decal/cleanable/blood/gibs/human/core
 	random_icon_states = list("gibmid1", "gibmid2", "gibmid3")
 	gib_overlay = TRUE
+	slimy_gibs = TRUE
 
 // Slime Gibs
 /obj/effect/decal/cleanable/blood/gibs/slime

code/game/objects/effects/decals/cleanable/humans.dm

@@ -5,13 +5,14 @@
 	icon_state = "floor1"
 	random_icon_states = list("floor1", "floor2", "floor3", "floor4", "floor5", "floor6", "floor7")
 	blood_state = BLOOD_STATE_BLOOD
-	color = BLOOD_COLOR_HUMAN
+	color = BLOOD_COLOR_HUMAN //default so we don't have white splotches everywhere.
 	bloodiness = BLOOD_AMOUNT_PER_DECAL
-	var/data = ""
+
+/obj/effect/decal/cleanable/blood/old/Initialize(mapload, list/datum/disease/diseases)
+	. = ..()
+	update_icon()
 
 /obj/effect/decal/cleanable/blood/replace_decal(obj/effect/decal/cleanable/blood/C)
-	if(!data)
-		C.data = add_blood_DNA(return_blood_DNA())
 	if(bloodiness)
 		if(C.bloodiness < MAX_SHOE_BLOODINESS)
 			C.bloodiness += bloodiness
@@ -19,7 +20,6 @@
 	return ..()
 
 obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
-	blood_list_checks(src, data["blood_type"])
 	return TRUE
 
 /obj/effect/decal/cleanable/blood/transfer_mob_blood_dna()
@@ -27,16 +27,10 @@ obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 	update_icon()
 
 /obj/effect/decal/cleanable/blood/update_icon()
-	for(var/datum/reagent/R in reagents.reagent_list)
-		// Get blood data from the blood reagent.
-		if(istype(R, /datum/reagent/blood))
-			if(R.data["blood_type"])
-				blood_list_checks(src, R.data["blood_type"])
-				blood_color = blood_DNA_to_color(blood_mix_types)
-		else if(istype(R, /datum/reagent/liquidgibs))
-			if(R.data["blood_type"])
-				blood_list_checks(src, R.data["blood_type"])
-				blood_color = blood_DNA_to_color(blood_mix_types)
+	GET_COMPONENT(D, /datum/component/forensics)
+	if(!blood_color)
+		blood_color = D.blood_mix_color
+	color = blood_color
 
 /obj/effect/decal/cleanable/blood/old
 	name = "dried blood"
@@ -57,24 +51,12 @@ obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 	desc = "Your instincts say you shouldn't be following these."
 	random_icon_states = null
 	var/list/existing_dirs = list()
-	blood_state = BLOOD_STATE_BLOOD
 	color = BLOOD_COLOR_HUMAN
 	bloodiness = BLOOD_AMOUNT_PER_DECAL
-	var/data = ""
 
 /obj/effect/decal/cleanable/trail_holder/update_icon()
-	for(var/datum/reagent/R in reagents.reagent_list)
-		// Get blood data from the blood reagent.
-		if(istype(R, /datum/reagent/blood))
-			if(R.data["blood_type"])
-				blood_list_checks(src, R.data["blood_type"])
-				color = blood_DNA_to_color(blood_mix_types)
-		else if(istype(R, /datum/reagent/liquidgibs))
-			if(R.data["blood_type"])
-				blood_list_checks(src, R.data["blood_type"])
-				color = blood_DNA_to_color(blood_mix_types)
-		else
-			color = blood_DNA_to_color()
+	GET_COMPONENT(D, /datum/component/forensics)
+	color = D.blood_mix_color
 
 /obj/effect/cleanable/trail_holder/Initialize()
 	. = ..()
@@ -105,7 +87,6 @@ obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 		var/mob/living/carbon/human/H = O
 		var/obj/item/clothing/shoes/S = H.shoes
 		if(S && S.blood_smear[blood_state])
-			S.blood_list_checks(S, data["blood_type"])
 			S.blood_smear[blood_state] = max(S.blood_smear[blood_state] - BLOOD_LOSS_PER_STEP, 0)
 			shoe_types |= S.type
 			if (!(entered_dirs & H.dir))
@@ -113,8 +94,8 @@ obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 				update_icon()
 
 		else if(!H.bloodiness)
+			H.blood_smear[blood_state] = max(S.blood_smear[blood_state] - BLOOD_LOSS_PER_STEP, 0)
 			H.bloodiness = max(H.bloodiness - BLOOD_LOSS_IN_SPREAD, 0)
-			H.blood_list_checks(H, data["blood_type"])
 			if (!(entered_dirs & H.dir))
 				entered_dirs |= H.dir
 				update_icon()
@@ -126,7 +107,6 @@ obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 		var/mob/living/carbon/human/H = O
 		var/obj/item/clothing/shoes/S = H.shoes
 		if(S && S.blood_smear[blood_state])
-			S.blood_list_checks(S, data["blood_type"])
 			S.blood_smear[blood_state] = max(S.blood_smear[blood_state] - BLOOD_LOSS_PER_STEP, 0)
 			shoe_types  |= S.type
 			if (!(exited_dirs & H.dir))
@@ -134,29 +114,30 @@ obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 				update_icon()
 
 		else if(!H.bloodiness)
+			H.blood_smear[blood_state] = max(H.blood_smear[blood_state] - BLOOD_LOSS_PER_STEP, 0)
 			H.bloodiness = max(H.bloodiness - BLOOD_LOSS_IN_SPREAD, 0)
-			H.blood_list_checks(H, data["blood_type"])
 			if (!(exited_dirs & H.dir))
 				exited_dirs |= H.dir
 				update_icon()
 
 /obj/effect/decal/cleanable/blood/footprints/tracks/update_icon()
+	..()
 	cut_overlays()
 
 	for(var/Ddir in GLOB.cardinals)
+		GET_COMPONENT(B, /datum/component/forensics)
 		if(entered_dirs & Ddir)
 			var/image/bloodstep_overlay = GLOB.bloody_footprints_cache["entered-[print_state]-[Ddir]-[color]"]
 			if(!bloodstep_overlay)
-				GLOB.bloody_footprints_cache["entered-[print_state]-[Ddir]-[color]"] = bloodstep_overlay = image(icon, "[print_state]1", dir = Ddir)
+				GLOB.bloody_footprints_cache["entered-[print_state]-[Ddir]-[color]"] = bloodstep_overlay = image(icon, "[print_state]1", dir = Ddir, color = B.blood_mix_color)
 			add_overlay(bloodstep_overlay)
 		if(exited_dirs & Ddir)
 			var/image/bloodstep_overlay = GLOB.bloody_footprints_cache["exited-[print_state]-[Ddir]-[color]"]
 			if(!bloodstep_overlay)
-				GLOB.bloody_footprints_cache["exited-[print_state]-[Ddir]-[color]"] = bloodstep_overlay = image(icon, "[print_state]2", dir = Ddir)
+				GLOB.bloody_footprints_cache["exited-[print_state]-[Ddir]-[color]"] = bloodstep_overlay = image(icon, "[print_state]2", dir = Ddir, color = B.blood_mix_color)
 			add_overlay(bloodstep_overlay)
 
-	alpha = BLOODY_FOOTPRINT_BASE_ALPHA+bloodiness
-	color = blood_DNA_to_color(blood_mix_types)
+	alpha = BLOODY_FOOTPRINT_BASE_ALPHA + bloodiness
 
 /obj/effect/decal/cleanable/blood/footprints/tracks/examine(mob/user)
 	. = ..()

code/game/objects/effects/spawners/gibspawner.dm

@@ -33,29 +33,27 @@
 
 
 	var/list/dna_to_add //find the dna to pass to the spawned gibs. do note this can be null if the mob doesn't have blood. add_blood_DNA() has built in null handling.
-	to_chat(world, "Attempting to add DNA to pass to gibs")
+	var/body_coloring
 	if(source_mob)
-		to_chat(world, "We got a source mob, [source_mob]")
 		dna_to_add = source_mob.get_blood_dna_list() //ez pz
+		if(ishuman(source_mob))
+			var/mob/living/carbon/human/H = source_mob
+			if(H.dna.species.use_skintones)
+				body_coloring = skintone2hex(H.skin_tone)
+			else
+				body_coloring = "#[H.dna.features["mcolor"]]"
+
 	else if(gib_mob_type)
-		to_chat(world, "We got a mob type, [gib_mob_type]")
 		var/mob/living/temp_mob = new gib_mob_type(src) //generate a fake mob so that we pull the right type of DNA for the gibs.
 		if(gib_mob_species)
-			to_chat(world, "We got a mob species too, [gib_mob_species]")
 			if(ishuman(temp_mob))
-				to_chat(world, "it's a human type mob for sure")
 				var/mob/living/carbon/human/H = temp_mob
 				H.set_species(gib_mob_species)
-				if(isjellyperson(H))
-					H.dna.blood_type = "GEL"
-				if(isipcperson(H))
-					H.dna.blood_type = "HF"
-				if(isxenoperson(H))
-					H.dna.blood_type = "X*"
-				if(islizard(H))
-					H.dna.blood_type = "L"
-				to_chat(world, "temp_mob is a [H.dna.species]")
 				dna_to_add = temp_mob.get_blood_dna_list()
+				if(H.dna.species.use_skintones)
+					body_coloring = skintone2hex(H.skin_tone)
+				else
+					body_coloring = "#[H.dna.features["mcolor"]]"
 				qdel(H)
 			else
 				dna_to_add = temp_mob.get_blood_dna_list()
@@ -78,6 +76,7 @@
 
 				gib.add_blood_DNA(dna_to_add)
 				// color them properly, please.
+				gib.body_colors = body_coloring
 				gib.update_icon()
 
 				var/list/directions = gibdirections[i]

code/modules/clothing/gloves/_gloves.dm

@@ -31,7 +31,7 @@
 			. += mutable_appearance('icons/effects/item_damage.dmi', "damagedgloves")
 		IF_HAS_BLOOD_DNA(src)
 			GET_COMPONENT(D, /datum/component/forensics)
-			. += mutable_appearance('icons/effects/blood.dmi', "bloodyhands", color = D.blood_DNA_to_color())
+			. += mutable_appearance('icons/effects/blood.dmi', "bloodyhands", color = D.blood_mix_color)
 
 /obj/item/clothing/gloves/update_clothes_damaged_state(damaging = TRUE)
 	..()

code/modules/clothing/masks/_masks.dm

@@ -19,7 +19,7 @@
 				. += mutable_appearance('icons/effects/item_damage.dmi', "damagedmask")
 			IF_HAS_BLOOD_DNA(src)
 				GET_COMPONENT(D, /datum/component/forensics)
-				. += mutable_appearance('icons/effects/blood.dmi', "maskblood", color = D.blood_DNA_to_color())
+				. += mutable_appearance('icons/effects/blood.dmi', "maskblood", color = D.blood_mix_color)
 
 /obj/item/clothing/mask/equipped(mob/user, slot)
 	..()

code/modules/clothing/shoes/_shoes.dm

@@ -52,10 +52,11 @@
 		if(damaged_clothes)
 			. += mutable_appearance('icons/effects/item_damage.dmi', "damagedshoe")
 		if(bloody)
+			GET_COMPONENT(D, /datum/component/forensics)
 			if(adjusted == NORMAL_STYLE)
-				. += mutable_appearance('icons/effects/blood.dmi', "shoeblood", color = blood_DNA_to_color(blood_mix_types))
+				. += mutable_appearance('icons/effects/blood.dmi', "shoeblood", color = D.blood_mix_color)
 			else
-				. += mutable_appearance('modular_citadel/icons/mob/digishoes.dmi', "shoeblood", color = blood_DNA_to_color(blood_mix_types))
+				. += mutable_appearance('modular_citadel/icons/mob/digishoes.dmi', "shoeblood", color = D.blood_mix_color)
 
 /obj/item/clothing/shoes/equipped(mob/user, slot)
 	. = ..()

code/modules/clothing/suits/_suits.dm

@@ -63,9 +63,9 @@
 		IF_HAS_BLOOD_DNA(src)
 			GET_COMPONENT(D, /datum/component/forensics)
 			if(taurmode >= SNEK_TAURIC)
-				. += mutable_appearance('modular_citadel/icons/mob/64x32_effects.dmi', "[blood_overlay_type]blood", color = D.blood_DNA_to_color())
+				. += mutable_appearance('modular_citadel/icons/mob/64x32_effects.dmi', "[blood_overlay_type]blood", color = D.blood_mix_color)
 			else
-				. += mutable_appearance('icons/effects/blood.dmi', "[blood_overlay_type]blood", color = D.blood_DNA_to_color())
+				. += mutable_appearance('icons/effects/blood.dmi', "[blood_overlay_type]blood", color = D.blood_mix_color)
 		var/mob/living/carbon/human/M = loc
 		if(ishuman(M) && M.w_uniform)
 			var/obj/item/clothing/under/U = M.w_uniform

code/modules/clothing/under/_under.dm

@@ -24,7 +24,7 @@
 			. += mutable_appearance('icons/effects/item_damage.dmi', "damageduniform")
 		IF_HAS_BLOOD_DNA(src)
 			GET_COMPONENT(D, /datum/component/forensics)
-			. += mutable_appearance('icons/effects/blood.dmi', "uniformblood", color = D.blood_DNA_to_color())
+			. += mutable_appearance('icons/effects/blood.dmi', "uniformblood", color = D.blood_mix_color)
 		if(accessory_overlay)
 			. += accessory_overlay
 

code/modules/mob/living/carbon/human/human_defines.dm

@@ -46,7 +46,7 @@
 	var/bloodiness = 0
 	var/blood_state = BLOOD_STATE_NOT_BLOODY
 	var/list/blood_smear = list(BLOOD_STATE_BLOOD = 0, BLOOD_STATE_OIL = 0, BLOOD_STATE_NOT_BLOODY = 0)
-	var/last_blood_DNA = ""//same as last one
+	var/blood_color //For blood smearing stuff
 
 	var/name_override //For temporary visible name changes
 

code/modules/mob/living/carbon/human/update_icons.dm

@@ -185,7 +185,7 @@ There are several things that need to be remembered:
 		inv.update_icon()
 
 	if(!gloves && bloody_hands)
-		var/mutable_appearance/bloody_overlay = mutable_appearance('icons/effects/blood.dmi', "bloodyhands", -GLOVES_LAYER)
+		var/mutable_appearance/bloody_overlay = mutable_appearance('icons/effects/blood.dmi', "bloodyhands", -GLOVES_LAYER, color = blood_color)
 		if(get_num_arms() < 2)
 			if(has_left_hand())
 				bloody_overlay.icon_state = "bloodyhands_left"

code/modules/reagents/chemistry/reagents/other_reagents.dm

@@ -102,12 +102,7 @@
 		B = new(T)
 	if(!B.reagents)
 		B.reagents.add_reagent("blood", reac_volume)
-	for(var/datum/reagent/R in B.reagents.reagent_list)
-		// Get blood data from the blood reagent.
-		if(istype(R, /datum/reagent/blood))
-			if(R.data["blood_type"])
-				B.blood_list_checks(src, R.data["blood_type"])
-				B.color = B.blood_DNA_to_color(blood_mix_types)
+	B.update_icon()
 
 /datum/reagent/blood/synthetics
 	data = list("donor"=null,"viruses"=null,"blood_DNA"=null, "bloodcolor" = BLOOD_COLOR_SYNTHETIC, "blood_type"="SY","resistances"=null,"trace_chem"=null,"mind"=null,"ckey"=null,"gender"=null,"real_name"=null,"cloneable"=null,"factions"=null)