Yeah, games do need options to compensate for all sorts of impairments. I don't have color-blindness. I do have ocular-motor-apraxcia{not the correct spelling, I believe}. It basically means my tracking, & my peripheral vision isn't quite up to snuff. However, over time{w/ glasses, or other optical devices}, the problem sorta corrects itself, while all during this time, the person learns to compensate. Since my problem was diagnosed when I was very young, my problem's severity has decreased, thank God! I still have to wear glasses, but during my later elementary school years, & even up to now, people say they don't notice my problem. & one of the best parts-when I was young, my parents thought that I would have to stop playing video games. While i was unwillingly prepared to accept this, my eye doctor, told my parents, & I, that playing video games was actually a help. It aided my tracking. Thank God, my problem isn't like it was years ago. About 10-15 some years later, & people don't notice my problem, w/out truly watching, & observing me.
Not to mention, about 10-15 some years ago, my particular problem{ocular motor apraxcia} wasn't such a common problem then, or at least, if it was, it wasn't well known. Since then, it's become a more common eye disorder, or it's just that it's now easier to detect. When I went to Will's Eye when I was little, they said it wasn't a common disorder.
But, yes, games need options for people with impairments. In this case, of course, an option for in-game coloring of sorts.