Instructions Colors driving me crazy lately

This grey to black scale is insane. There is no reason to print the dark great so close to the color black. RANT:Of course I will eventually realize after searching the pile that this is the correct piece. But thats annoying, and pointless when most other colors(except pink) are very clear. Some books are poor quality when it comes to colors. I should be able to pick a PIECE and know at a glance if its the right one by comparison alone, not eliminating the fact I cant find a piece closer to...