Reply To: Spikey’s Math Lab

@duerer I would love to see that node setup! (Maybe it makes sense in some cases…)

Maybe that is a genius, but it is also possible, that this was done by someone who has no idea what he/she is doing 😉

I took me some time to figure out what is happening, because unlike when you plug a color into a value and Blender uses the Luminasnce of the color, when you plug a vector into a value, Blender takes the average of the X, Y and Z. Like this:

But things get curiouser and curiouser; When you plug the Vector into a MixRGB Node first, then the output of that MixRGB Node is a vector, but when you plug that into a grey socket, Blender uses the Luminance formula on the X, Y  and Z values!

So these two flows are the same: