Color Test Patterns

[W.B.]

Originally Posted by old_tv_nut

Could you please identify which segments are which?

I think I can help. The I and Q matrices are on the outer quadrants (-I / +Q left, +I / -Q right), the inner quadrants are:
- Top left: R-Y
- Top right: G-Y=0
- Bottom left: (G-Y)
- Bottom right: B-Y

If my cards are played right, they should be at 40% color saturation.