Made blood coloring use color var instead of icon operations.

Updated icons to match (they need to be white instead of black to work)
Updated some colors to look fine on them.

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

@@ -5,7 +5,7 @@
 	desc = "It's green and acidic. It looks like... <i>blood?</i>"
 	icon = 'icons/effects/blood.dmi'
 	icon_state = "xfloor1"
-	basecolor = "#05CC05"
+	basecolor = "#05EE05"
 	random_icon_states = list("xfloor1", "xfloor2", "xfloor3", "xfloor4", "xfloor5", "xfloor6", "xfloor7")
 
 /obj/effect/decal/cleanable/blood/xeno/proc/streak(var/list/directions)

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

@@ -9,7 +9,8 @@ var/global/list/image/splatter_cache=list()
 	density = 0
 	anchored = 1
 	layer = 2
-	icon_state = "floor1"
+	icon = 'icons/effects/bloodbase.dmi'
+	icon_state = "mfloor1"
 	random_icon_states = list("mfloor1", "mfloor2", "mfloor3", "mfloor4", "mfloor5", "mfloor6", "mfloor7")
 	var/list/viruses = list()
 	blood_DNA = list()
@@ -24,6 +25,7 @@ var/global/list/image/splatter_cache=list()
 
 /obj/effect/decal/cleanable/blood/New()
 	..()
+	color = basecolor
 	if(istype(src, /obj/effect/decal/cleanable/blood/gibs))
 		return
 	if(istype(src, /obj/effect/decal/cleanable/blood/tracks))
@@ -39,18 +41,8 @@ var/global/list/image/splatter_cache=list()
 		dry()
 
 /obj/effect/decal/cleanable/blood/update_icon()
-
-	if(basecolor == "rainbow") basecolor = "#[pick(list("FF0000","FF7F00","FFFF00","00FF00","0000FF","4B0082","8F00FF"))]"
-
-	var/cache_key="[basecolor]|[icon_state]"
-	var/icon/I=null
-	if(cache_key in splatter_cache)
-		I = splatter_cache[cache_key]
-	else
-		I = new /icon('icons/effects/blood.dmi', icon_state=icon_state)
-		I.SwapColor("#000000",basecolor);
-		splatter_cache[cache_key]=I
-	icon = I
+	if(basecolor == "rainbow") color = "#[pick(list("FF0000","FF7F00","FFFF00","00FF00","0000FF","4B0082","8F00FF"))]"
+	else color = basecolor
 
 /obj/effect/decal/cleanable/blood/HasEntered(mob/living/carbon/human/perp)
         if (!istype(perp))
@@ -78,12 +70,10 @@ var/global/list/image/splatter_cache=list()
         amount--
 
 /obj/effect/decal/cleanable/blood/proc/dry()
-        name = "dried [src]"
-        desc = "It's dark red and crusty. Someone is not doing their job."
-        var/icon/I = icon(icon,icon_state)
-        I.SetIntensity(0.7)
-        icon = I
-        amount = 0
+		name = "dried [src.name]"
+		desc = "It's dry and crusty. Someone is not doing their job."
+		color = adjust_brightness(color, -50)
+		amount = 0
 
 /obj/effect/decal/cleanable/blood/attack_hand(mob/living/carbon/human/user)
 	..()
@@ -103,7 +93,7 @@ var/global/list/image/splatter_cache=list()
 		user.verbs += /mob/living/carbon/human/proc/bloody_doodle
 
 /obj/effect/decal/cleanable/blood/splatter
-        random_icon_states = list("gibbl1", "gibbl2", "gibbl3", "gibbl4", "gibbl5")
+        random_icon_states = list("mgibbl1", "mgibbl2", "mgibbl3", "mgibbl4", "mgibbl5")
         amount = 2
 
 /obj/effect/decal/cleanable/blood/drip
@@ -112,6 +102,7 @@ var/global/list/image/splatter_cache=list()
         gender = PLURAL
         icon = 'icons/effects/drip.dmi'
         icon_state = "1"
+        random_icon_states = list("1","2","3","4","5")
         amount = 0
 
 /obj/effect/decal/cleanable/blood/writing

code/game/objects/effects/decals/Cleanable/robots.dm

@@ -8,7 +8,11 @@
 	basecolor="#2B2B2B"
 	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6", "gib7")
 
-/obj/effect/decal/cleanable/blood/robot/dry()	//pieces of robots do not dry up like metachunks
+/obj/effect/decal/cleanable/blood/robot/dry()	//pieces of robots do not dry up like
+	return
+
+/obj/effect/decal/cleanable/blood/robot/update_icon()
+	color = "#FFFFFF"
 	return
 
 /obj/effect/decal/cleanable/blood/robot/proc/streak(var/list/directions)
@@ -39,7 +43,7 @@
 /obj/effect/decal/cleanable/blood/oil
 	name = "motor oil"
 	desc = "It's black and greasy. Looks like Beepsky made another mess."
-	basecolor="#2B2B2B"
+	basecolor="#3B3B3B"
 	icon = 'icons/mob/robots.dmi'
 	icon_state = "floor1"
 	random_icon_states = list("floor1", "floor2", "floor3", "floor4", "floor5", "floor6", "floor7")