Selecting NON-RGB colors in a Color ID mask for material blending

[ADemetriades]

If anyone is still looking for a way to use a color ID mask in Unreal you can find a color ID mask function (any color) as part of Extile’s non repetitive tiling material here:

EXTILE PLUS Non-repetitive tiling materials and functions in Materials - UE...

Short video on how it works:

EXTILE PLUS - Unreal Engine Color ID Mask Materials (any color)