Species-based blood colour support code.

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

@@ -5,6 +5,8 @@
 	desc = "It's green and acidic. It looks like... <i>blood?</i>"
 	icon = 'icons/effects/blood.dmi'
 	icon_state = "xfloor1"
+	basecolor = "#05CC05"
+	random_icon_states = list("xfloor1", "xfloor2", "xfloor3", "xfloor4", "xfloor5", "xfloor6", "xfloor7")
 
 /obj/effect/decal/cleanable/blood/xeno/proc/streak(var/list/directions)
 	spawn (0)

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

@@ -116,6 +116,7 @@
                         sleep(3)
                         if (i > 0)
                                 var/obj/effect/decal/cleanable/blood/b = new /obj/effect/decal/cleanable/blood/splatter(src.loc)
+                                b.basecolor = src.basecolor
                                 for(var/datum/disease/D in src.viruses)
                                         var/datum/disease/ND = D.Copy(1)
                                         b.viruses += ND