[ C/U ] the appearance that something has as a result of reflecting light:

art [ C/U ] A color is also a substance, such as a paint or dye, which you add to something to make it have the appearance of a particular color.

[ U ] the natural color of a person’s skin, esp. when considered in terms of race

[ U ] Color can mean a healthy appearance of the skin:

to change the color of something by using paint or a dye:

fig. If something or someone colors your thoughts or opinions, it influences them, often in a negative way:

showing things in all their colors, not just black and white: