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All, the fluff of orks and orcs in GW used to describe their blood as being green, based on their fungal origins. I heard GW may have done away with green ork/orc blood at some point recently. True? If ork/orc blood is no longer green, has the ork/orc origins changed?

...the questions I even bother to ask...

Well, orks are fungi, and their blood is actually made of algae, so that depends on what planet they're on. I think Greenskin blood is green.

Red! Its been red for yeaaaarrsss only really old stuff is it green.

The algae in the skin oxygenates the blood at high efficiency so its really red

Their blood is Iron based with fleks of the algae in it.

Its most often described as red with bits of green. its hue can deviate depending on the environment but its generally redish.

I may be recalling this incorrectly, but I think one of the previous codexes described it as red-purple?
Either way, the consensus seems to be that it's been red for a while.

Red for sure. In places like the Gorkamorka rulebooks which were late 90's, it was stated that the third helix of their DNA, even being algae-based, does not stop their iron blood from being the standard red.

Even if the unoxygenated state of Ork blood was a different color, if they use iron based oxygen transport their blood will be red when exposed to oxygen(IE: they've got a gaping wound)

So the correct answer of course is that ork blood is both green and red. Green on the inside, and red on the outside.

Thanks all. AegisGrimm you hit my problem on the head. It has probably been the late 90s when I last read an ork codex or dealt with Gorkamorka. I will adjust accordingly on my ork blood depictions. I bow to each of your superior orky knowledge. Cheers.

To reiterate a joke from a thread that asked this exact question: "Red of course. It flows faster".

I think green, GW thinks green, Xbox game Space Marine says red. You make da call.

I'll just quote this from the last time

 Gogsnik wrote:
To save time typing it all out...

Where is this text from, Gogsnik?

I remember a White Dwarf from back in the '90s that stated that Ork blood was red because of being iron based (but that it was really because red blood was better to paint).

 Furyou Miko wrote:
but that it was really because red blood was better to paint).

This is the main reason. It contrasts with green better if it's red and GW house painters were lazy gits.

While inside the blood stream I suppose it can take some shades of whatever it ate but if there is iron in the blood then it'll have always have blue mixed in. Once exposed to air the red from oxidization will reveal itself.

My head-canon says it's black. Or, a dark enough shade of either red or green to appear black in most lights.

Great little piece of fluff quoted above. Man I miss that detail GW used to go into.....

Green + Red = brown. But then they'd look like they leak gak, so nevermind. 40k tends to suffer every now and then from Rule of Cool, which is why ork blood is almost always red instead of brown or green or anything else. Kudos for having an explanation ready though---that always helps.

 BioVass wrote:
Where is this text from, Gogsnik?

It's taken from Waaargh The Orks! page 5.