Point your iPhone at a color. We'll tell you what it is. Built for people who can't.
Roughly 1 in 12 men and 1 in 200 women have some form of color vision deficiency. The two confusions that affect almost all of them are red/green and blue/purple. I Can See!'s palette is deliberately tuned to separate those pairs, so you get an answer that's actually useful — not just "reddish".