User blog comment:Creeper50/Blood Color Makes a Difference/@comment-24101790-20170128011219/@comment-31111342-20170128015722

Honestly, though, in all the places to worry about color in a story, I think the color of someone's blood wouldn't be one of the top priorities. It can enhance a scene, but if the rest of the setting is dull, then it just doesn't add much.