I’m deuteranomolous myself, but I disagree. Color, shape, labels, and location can all combine to be useful for recognition. Using color alone is definitely a m

I’m deuteranomolous myself, but I disagree. Color, shape, labels, and location can all combine to be useful for recognition. Using color alone is definitely a mistake, or making color the only difference between two icons. But combine distinct shapes and distinct colors (informed by color-blindness awareness) for the best results.