diff --git a/code/__DEFINES/~~bubber_defines/colors.dm b/code/__DEFINES/~~bubber_defines/colors.dm
index 95cf66938e1..6a1b181357f 100644
--- a/code/__DEFINES/~~bubber_defines/colors.dm
+++ b/code/__DEFINES/~~bubber_defines/colors.dm
@@ -9,8 +9,15 @@ GLOBAL_LIST_INIT(chat_colors_by_mob_name, list(
 	"Unknown" = list("#ffffff", "#d8d8d8"),
 ))
 
+/// Blood colors
 #define BLOOD_COLOR_COPPER "#6E3B08"
 #define BLOOD_COLOR_NANITE_SLURRY "#CCCCCC"
+//alternate lizard blood
+#define BLOOD_COLOR_GREEN "#339933"
+//old-canon avalis had violet blood, so...
+#define BLOOD_COLOR_VIOLET "#9966FF"
+//cyan vox blood
+#define BLOOD_COLOR_CYAN "#33FFFF"
 
 /// Modsuit hardlight colors
 
diff --git a/modular_skyrat/modules/customization/_globalvars/lists.dm b/modular_skyrat/modules/customization/_globalvars/lists.dm
index 69e4eb1af32..df9f3640200 100644
--- a/modular_skyrat/modules/customization/_globalvars/lists.dm
+++ b/modular_skyrat/modules/customization/_globalvars/lists.dm
@@ -110,3 +110,16 @@ GLOBAL_LIST_INIT(color_list_ghoul, list( \
 	"Plutonium Blue" = "a5cfcc", \
 	"Marked Red" = "f05b68" \
 ))
+
+//blood colours
+GLOBAL_LIST_INIT(custom_blood_colors, list(
+	"Red/Human" = BLOOD_COLOR_RED,
+	"D.Green/Lizard" = BLOOD_COLOR_LIZARD,
+	"Green" = BLOOD_COLOR_GREEN,
+	"Lime/Xeno" = BLOOD_COLOR_XENO,
+	"Violet/Avali" = BLOOD_COLOR_VIOLET,
+	"Cyan/Vox" = BLOOD_COLOR_CYAN,
+	"Brown/Skrell" = BLOOD_COLOR_COPPER,
+	"White/Nanites" = BLOOD_COLOR_NANITE_SLURRY,
+	"Black" = BLOOD_COLOR_BLACK,
+))
diff --git a/modular_zubbers/code/modules/client/preferences/unique_blood_color.dm b/modular_zubbers/code/modules/client/preferences/unique_blood_color.dm
new file mode 100644
index 00000000000..ca5f43853e5
--- /dev/null
+++ b/modular_zubbers/code/modules/client/preferences/unique_blood_color.dm
@@ -0,0 +1,41 @@
+///see modular_zubbers\code\modules\quirks\neutral_quirks\unique_blood_color.dm
+
+///manual colour input
+/datum/preference/color/input_blood_color
+	category = PREFERENCE_CATEGORY_MANUALLY_RENDERED
+	savefile_key = "input_blood_color"
+	savefile_identifier = PREFERENCE_CHARACTER
+
+/datum/preference/color/input_blood_color/create_default_value()
+	return BLOOD_COLOR_BLACK
+
+/datum/preference/color/input_blood_color/is_accessible(datum/preferences/preferences)
+	if (!..(preferences))
+		return FALSE
+
+	return /datum/quirk/item_quirk/unique_blood_color::name in preferences.all_quirks
+
+/datum/preference/color/input_blood_color/apply_to_human(mob/living/carbon/human/target, value)
+	return
+
+///colour preset selection
+/datum/preference/choiced/select_blood_color
+	category = PREFERENCE_CATEGORY_MANUALLY_RENDERED
+	savefile_key = "select_blood_color"
+	savefile_identifier = PREFERENCE_CHARACTER
+	can_randomize = FALSE
+
+/datum/preference/choiced/select_blood_color/create_default_value()
+	return "Custom"
+
+/datum/preference/choiced/select_blood_color/is_accessible(datum/preferences/preferences)
+	if (!..(preferences))
+		return FALSE
+
+	return /datum/quirk/item_quirk/unique_blood_color::name in preferences.all_quirks
+
+/datum/preference/choiced/select_blood_color/apply_to_human(mob/living/carbon/human/target, value)
+	return
+
+/datum/preference/choiced/select_blood_color/init_possible_values()
+	return list("Custom") + assoc_to_keys(GLOB.custom_blood_colors)
diff --git a/modular_zubbers/code/modules/clothing/under/accessories/badges.dm b/modular_zubbers/code/modules/clothing/under/accessories/badges.dm
new file mode 100644
index 00000000000..bc802004a9d
--- /dev/null
+++ b/modular_zubbers/code/modules/clothing/under/accessories/badges.dm
@@ -0,0 +1,10 @@
+/obj/item/clothing/accessory/dogtag/unique_blood
+	name = "Blood dogtag"
+	desc = "A dogtag with a listing of blood properties."
+
+/obj/item/clothing/accessory/dogtag/unique_blood/Initialize(mapload, blood_type, color_string)
+	. = ..()
+	if(color_string && blood_type)
+		display = span_notice("\"Hi! My blood is [blood_type] despite being [color_string]!\"")
+	else
+		display = span_notice("The dogtag is all scratched up.")
diff --git a/modular_zubbers/code/modules/mob/living/blood_types.dm b/modular_zubbers/code/modules/mob/living/blood_types.dm
index 090be02def8..012ca54c9c8 100644
--- a/modular_zubbers/code/modules/mob/living/blood_types.dm
+++ b/modular_zubbers/code/modules/mob/living/blood_types.dm
@@ -1,3 +1,15 @@
+/datum/blood_type
+	///blood type to be edited for change_blood_color
+	var/recolor_blood_type //datum typepath for the alt_color version of the blood type
+
+/datum/blood_type/proc/make_alt_color(override, datum/blood_type/orig)
+	var/datum/blood_type/original = orig
+	name = "[name] ([override])"
+	color = override
+	id = name
+	testing("created alternate [id]")
+	compatible_types = LAZYLISTDUPLICATE(original?.compatible_types)
+
 // For Skrell
 /datum/blood_type/copper
 	name = BLOOD_TYPE_COPPER
@@ -5,6 +17,16 @@
 	reagent_type = /datum/reagent/copper
 	color = BLOOD_COLOR_COPPER
 	restoration_chem = null
+	recolor_blood_type = /datum/blood_type/copper/alt_color
+
+/datum/blood_type/copper/alt_color
+	abstract_type = /datum/blood_type/copper
+
+/datum/blood_type/copper/alt_color/type_key()
+	return /datum/blood_type/copper
+
+/datum/blood_type/copper/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
 
 // For Proteans
 /datum/blood_type/nanite_slurry
@@ -13,3 +35,261 @@
 	reagent_type = /datum/reagent/medicine/nanite_slurry
 	color = BLOOD_COLOR_NANITE_SLURRY
 	restoration_chem = null
+	recolor_blood_type = /datum/blood_type/nanite_slurry/alt_color
+
+/datum/blood_type/nanite_slurry/alt_color
+	abstract_type = /datum/blood_type/nanite_slurry
+
+/datum/blood_type/nanite_slurry/alt_color/type_key()
+	return /datum/blood_type/nanite_slurry
+
+/datum/blood_type/nanite_slurry/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/* blood type template for alt_colors
+/datum/blood_type/namehere
+	recolor_blood_type = /datum/blood_type/namehere/alt_color
+
+/datum/blood_type/namehere/alt_color
+	abstract_type = /datum/blood_type/namehere/alt_color
+
+/datum/blood_type/namehere/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/alt_color/type_key()
+	return /datum/blood_type/PARENT_TYPE_HERE
+*/
+
+///A-
+/datum/blood_type/human/a_minus
+	recolor_blood_type = /datum/blood_type/human/a_minus/alt_color
+
+/datum/blood_type/human/a_minus/alt_color
+	/* abstract_type = /datum/blood_type/human/a_minus/alt_color */
+
+/datum/blood_type/human/a_minus/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/human/a_minus/alt_color/type_key()
+	return /datum/blood_type/human/a_minus
+
+///A+
+/datum/blood_type/human/a_plus
+	recolor_blood_type = /datum/blood_type/human/a_plus/alt_color
+
+/datum/blood_type/human/a_plus/alt_color
+	/* abstract_type = /datum/blood_type/human/a_plus/alt_color */
+
+/datum/blood_type/human/a_plus/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/human/a_plus/alt_color/type_key()
+	return /datum/blood_type/human/a_plus
+
+///B+
+/datum/blood_type/human/b_plus
+	recolor_blood_type = /datum/blood_type/human/b_plus/alt_color
+
+/datum/blood_type/human/b_plus/alt_color
+	/* abstract_type = /datum/blood_type/human/b_plus/alt_color */
+
+/datum/blood_type/human/b_plus/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/human/b_plus/alt_color/type_key()
+	return /datum/blood_type/human/b_plus
+
+///B-
+/datum/blood_type/human/b_minus
+	recolor_blood_type = /datum/blood_type/human/b_minus/alt_color
+
+/datum/blood_type/human/b_minus/alt_color
+	/* abstract_type = /datum/blood_type/human/b_minus/alt_color */
+
+/datum/blood_type/human/b_minus/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/human/b_minus/alt_color/type_key()
+	return /datum/blood_type/human/b_minus
+
+///AB-
+/datum/blood_type/human/ab_minus
+	recolor_blood_type = /datum/blood_type/human/ab_minus/alt_color
+
+/datum/blood_type/human/ab_minus/alt_color
+	/* abstract_type = /datum/blood_type/human/ab_minus/alt_color */
+
+/datum/blood_type/human/ab_minus/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/human/ab_minus/alt_color/type_key()
+	return /datum/blood_type/human/ab_minus
+
+///AB+
+/datum/blood_type/human/ab_plus
+	recolor_blood_type = /datum/blood_type/human/ab_plus/alt_color
+
+/datum/blood_type/human/ab_plus/alt_color
+	/* abstract_type = /datum/blood_type/human/ab_plus/alt_color */
+
+/datum/blood_type/human/ab_plus/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/human/ab_plus/alt_color/type_key()
+	return /datum/blood_type/human/ab_plus
+
+///O-
+/datum/blood_type/human/o_minus
+	recolor_blood_type = /datum/blood_type/human/o_minus/alt_color
+
+/datum/blood_type/human/o_minus/alt_color
+	/* abstract_type = /datum/blood_type/human/o_minus/alt_color */
+
+/datum/blood_type/human/o_minus/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/human/o_minus/alt_color/type_key()
+	return /datum/blood_type/human/o_minus
+
+///O+
+/datum/blood_type/human/o_plus
+	recolor_blood_type = /datum/blood_type/human/o_plus/alt_color
+
+/datum/blood_type/human/o_plus/alt_color
+	/* abstract_type = /datum/blood_type/human/o_plus/alt_color */
+
+/datum/blood_type/human/o_plus/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/human/o_plus/alt_color/type_key()
+	return /datum/blood_type/human/o_plus
+
+///Y-
+/datum/blood_type/animal
+	recolor_blood_type = /datum/blood_type/animal/alt_color
+
+/datum/blood_type/animal/alt_color
+	abstract_type = /datum/blood_type/animal/alt_color
+
+/datum/blood_type/animal/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/animal/alt_color/type_key()
+	return /datum/blood_type/animal
+
+///L
+/datum/blood_type/lizard
+	recolor_blood_type = /datum/blood_type/lizard/alt_color
+
+/datum/blood_type/lizard/alt_color
+	abstract_type = /datum/blood_type/lizard/alt_color
+
+/datum/blood_type/lizard/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/lizard/alt_color/type_key()
+	return /datum/blood_type/lizard
+
+///LE
+/datum/blood_type/ethereal
+	recolor_blood_type = /datum/blood_type/ethereal/alt_color
+
+/datum/blood_type/ethereal/alt_color
+	abstract_type = /datum/blood_type/ethereal/alt_color
+
+/datum/blood_type/ethereal/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/ethereal/alt_color/type_key()
+	return /datum/blood_type/ethereal
+
+///Oil
+/datum/blood_type/oil
+	recolor_blood_type = /datum/blood_type/oil/alt_color
+
+/datum/blood_type/oil/alt_color
+	abstract_type = /datum/blood_type/oil/alt_color
+
+/datum/blood_type/oil/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/oil/alt_color/type_key()
+	return /datum/blood_type/oil
+
+///V
+/datum/blood_type/vampire
+	recolor_blood_type = /datum/blood_type/vampire/alt_color
+
+/datum/blood_type/vampire/alt_color
+	abstract_type = /datum/blood_type/vampire/alt_color
+
+/datum/blood_type/vampire/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/vampire/alt_color/type_key()
+	return /datum/blood_type/vampire
+
+///U
+/datum/blood_type/universal
+	recolor_blood_type = /datum/blood_type/universal/alt_color
+
+/datum/blood_type/universal/alt_color
+	abstract_type = /datum/blood_type/universal/alt_color
+
+/datum/blood_type/universal/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/universal/alt_color/type_key()
+	return /datum/blood_type/universal
+
+///MT-
+/datum/blood_type/meat
+	recolor_blood_type = /datum/blood_type/meat/alt_color
+
+/datum/blood_type/meat/alt_color
+	abstract_type = /datum/blood_type/meat/alt_color
+
+/datum/blood_type/meat/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/meat/alt_color/type_key()
+	return /datum/blood_type/meat
+
+///TOX
+/datum/blood_type/slime
+	recolor_blood_type = /datum/blood_type/slime/alt_color
+
+/datum/blood_type/slime/alt_color
+	abstract_type = /datum/blood_type/slime/alt_color
+
+/datum/blood_type/slime/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/slime/alt_color/type_key()
+	return /datum/blood_type/slime
+
+///H2O
+/datum/blood_type/water
+	recolor_blood_type = /datum/blood_type/water/alt_color
+
+/datum/blood_type/water/alt_color
+	abstract_type = /datum/blood_type/water/alt_color
+
+/datum/blood_type/water/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/water/alt_color/type_key()
+	return /datum/blood_type/water
+
+///S
+/datum/blood_type/snail
+	recolor_blood_type = /datum/blood_type/snail/alt_color
+
+/datum/blood_type/snail/alt_color
+	abstract_type = /datum/blood_type/snail/alt_color
+
+/datum/blood_type/snail/alt_color/New(override, datum/blood_type/orig)
+	make_alt_color(override, orig)
+
+/datum/blood_type/snail/alt_color/type_key()
+	return /datum/blood_type/snail
diff --git a/modular_zubbers/code/modules/quirks/neutral_quirks/unique_blood_color.dm b/modular_zubbers/code/modules/quirks/neutral_quirks/unique_blood_color.dm
new file mode 100644
index 00000000000..e2d66c5daa2
--- /dev/null
+++ b/modular_zubbers/code/modules/quirks/neutral_quirks/unique_blood_color.dm
@@ -0,0 +1,75 @@
+//i dont enjoy this implementation, but we're also not going to figure out how to write a proper do-all replace_blood_type() without |some| help....
+
+/datum/quirk/item_quirk/unique_blood_color
+	name = "Blood Pigmentation"
+	desc = "Your blood has a different colour than what your species usually has."
+	gain_text = span_purple("Your flesh shifts in hue.")
+	lose_text = span_purple("Your flesh returns to a natural look.")
+	medical_record_text = "Patient has unusual blood pigmentation."
+	value = 0
+	icon = FA_ICON_DROPLET
+	//this should only ever be a hex
+	var/color_code = NONE
+	var/datum/blood_type/new_blood = NONE
+	//for removal, and having an un-appended type name
+	var/datum/blood_type/old_blood = NONE
+
+/datum/quirk_constant_data/uniquebloodcolor
+	associated_typepath = /datum/quirk/item_quirk/unique_blood_color
+	customization_options = list(
+		/datum/preference/color/input_blood_color,
+		/datum/preference/choiced/select_blood_color,
+		)
+
+
+/datum/quirk/item_quirk/unique_blood_color/add(client/client_source)
+	var/mob/living/carbon/human/human_holder = quirk_holder
+	//If you want to change the blood of a non-human mob, just varedit. It'll reset when changing species tho
+	if(!istype(human_holder))
+		return
+	old_blood = human_holder.dna.blood_type
+	var/selected_color = client_source?.prefs.read_preference(/datum/preference/choiced/select_blood_color) || "Custom"
+	testing("selected_color is [selected_color]")
+	if(selected_color != "Custom")
+		color_code = GLOB.custom_blood_colors[selected_color]
+		testing("selected_color is not Custom")
+	else if(selected_color == "Custom")
+		color_code = client_source?.prefs.read_preference(/datum/preference/color/input_blood_color)
+		testing("selected_color is Custom")
+	testing("color_code set to [color_code]")
+	change_blood_color(quirked = human_holder, override = color_code)
+
+/datum/quirk/item_quirk/unique_blood_color/remove()
+	var/mob/living/carbon/human/human_holder = quirk_holder
+	if (!istype(human_holder) || isnull(old_blood))
+		return
+	var/datum/blood_type/new_blood = new old_blood.type
+	human_holder.set_blood_type(new_blood)
+	human_holder.dna.species.exotic_bloodtype = initial(human_holder.dna.species.exotic_bloodtype)
+
+//someone could turn this into a universal replace_blood() or something... but not me
+
+/datum/quirk/item_quirk/unique_blood_color/proc/change_blood_color(datum/source, mob/living/carbon/human/quirked, override, update_cached_blood_dna_info)
+	SIGNAL_HANDLER
+///Check if new blood type is same as old. Jank, but it should prevent cases of special blood types made from relative normal blood
+	if(quirked.dna.blood_type.get_color() == color_code)
+		to_chat(quirked, span_notice("...but nothing had actually changed."))
+		remove_from_current_holder()
+		WARNING("quirk 'unique_blood_color' automatically removed from [quirked.name]")
+		return
+///Making the new blood type
+	new_blood = get_blood_type("[quirked.dna.blood_type] ([override])") //for example, A-_#69af19
+///check if blood type already exists before making it new
+	if(isnull(new_blood))
+		var/recolor_type = quirked.dna.blood_type.recolor_blood_type
+		new_blood = new recolor_type(override = override, orig = quirked.dna.blood_type)
+		GLOB.blood_types[new_blood.id] = new_blood
+	NOTICE("finalized new blood type [new_blood.id] for [quirked.name]")
+	quirked.dna.species.exotic_bloodtype = new_blood
+	quirked.set_blood_type(new_blood)
+
+
+/datum/quirk/item_quirk/unique_blood_color/add_unique(client/client_source)
+	var/get_bloodtype_id = old_blood.name
+	var/obj/item/clothing/accessory/dogtag/unique_blood/dogtag = new(quirk_holder, get_bloodtype_id, color_code)
+	give_item_to_holder(dogtag, list(LOCATION_BACKPACK, LOCATION_HANDS), flavour_text = "Medical should probably see this...", notify_player = TRUE)
diff --git a/tgstation.dme b/tgstation.dme
index 665f7fb42dd..6b967e68537 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -9218,6 +9218,7 @@
 #include "modular_zubbers\code\modules\client\preferences\permanent_limp.dm"
 #include "modular_zubbers\code\modules\client\preferences\player_panel.dm"
 #include "modular_zubbers\code\modules\client\preferences\sounds.dm"
+#include "modular_zubbers\code\modules\client\preferences\unique_blood_color.dm"
 #include "modular_zubbers\code\modules\client\verbs\character_directory.dm"
 #include "modular_zubbers\code\modules\clothing\_job.dm"
 #include "modular_zubbers\code\modules\clothing\donator_clothing.dm"
@@ -9261,6 +9262,7 @@
 #include "modular_zubbers\code\modules\clothing\under\security.dm"
 #include "modular_zubbers\code\modules\clothing\under\skirts_dresses.dm"
 #include "modular_zubbers\code\modules\clothing\under\syndicate.dm"
+#include "modular_zubbers\code\modules\clothing\under\accessories\badges.dm"
 #include "modular_zubbers\code\modules\clothing\under\jobs\command.dm"
 #include "modular_zubbers\code\modules\colony_fabricator\code\design_datums\fabricator_flag_additions\tools.dm"
 #include "modular_zubbers\code\modules\contractor\code\items\boxes.dm"
@@ -9609,6 +9611,7 @@
 #include "modular_zubbers\code\modules\protected_roles\code\antag_restricted_jobs.dm"
 #include "modular_zubbers\code\modules\public_logging\public_logging.dm"
 #include "modular_zubbers\code\modules\quirks\neutral_quirks\body_temp.dm"
+#include "modular_zubbers\code\modules\quirks\neutral_quirks\unique_blood_color.dm"
 #include "modular_zubbers\code\modules\quirks\positive_quirks\telepathy.dm"
 #include "modular_zubbers\code\modules\quote_of_the_round\config.dm"
 #include "modular_zubbers\code\modules\quote_of_the_round\debug_verbs.dm"
diff --git a/tgui/packages/tgui/interfaces/PreferencesMenu/preferences/features/character_preferences/bubbers/unique_blood_color.tsx b/tgui/packages/tgui/interfaces/PreferencesMenu/preferences/features/character_preferences/bubbers/unique_blood_color.tsx
new file mode 100644
index 00000000000..34f59c7f829
--- /dev/null
+++ b/tgui/packages/tgui/interfaces/PreferencesMenu/preferences/features/character_preferences/bubbers/unique_blood_color.tsx
@@ -0,0 +1,15 @@
+import { Feature, FeatureChoiced, FeatureColorInput } from '../../base';
+import { FeatureDropdownInput } from '../../dropdowns';
+
+export const input_blood_color: Feature<string> = {
+  name: 'Custom color',
+  description:
+    'NOTE: This matches the colour to the BRIGHTEST px. So, make this slightly (about 10?) more luminescent (HSL) than you want the blood to be.',
+  component: FeatureColorInput,
+};
+
+export const select_blood_color: FeatureChoiced = {
+  name: 'Preset color',
+  description: 'NOTE: Use the Custom option for custom color.',
+  component: FeatureDropdownInput,
+};