color

1 color (US) noun
or British colour /ˈkʌlɚ/
plural colors
1 color (US)
noun
or British colour /ˈkʌlɚ/
plural colors
Britannica Dictionary definition of COLOR
1 
: a quality such as red, blue, green, yellow, etc., that you see when you look at something
[count]
[noncount]
— see pictures of colors starting on this page
2 
: something used to give color to something : a pigment or dye
[count]
[noncount]
3 
[noncount]
a  : the use or combination of colors
b  — used to describe a photograph, television picture, etc., that includes colors and that is not black and white
— often used before another noun — see also in living color at living
4 
[noncount] : the color of a person's skin as a mark of race
◊ A person of color is a person who is not white.
5 
[noncount] : a pink or red tone in a person's face especially because of good health, excitement, or embarrassment
6 
colors [plural] : something (such as a flag) that shows that someone or something belongs to a specific group
7 
[noncount] : interest or excitement
— see also local color, off-color

a horse of a different color

— see 1horse

show your true colors

: to show what you are really like : to reveal your real nature or character

with flying colors

— see 1flying
2 color (US) verb
or British colour /ˈkʌlɚ/
colors; colored; coloring
2 color (US)
verb
or British colour /ˈkʌlɚ/
colors; colored; coloring
Britannica Dictionary definition of COLOR
1 
[+ object] : to give color to (something) : to change the color of (something)
2 
: to draw with crayons, markers, colored pencils, etc. : to fill in a shape or picture using markers, crayons, colored pencils, etc.
[no object]
[+ object]
— see also color in (below)
3 
[+ object] : to change (someone's ideas, opinion, attitude, etc.) in some way
— often used as (be) colored
4 
[no object] literary : to become red in the face especially because of embarrassment — often + at

color in

[phrasal verb]
color in (something) or color (something) in
: to add color to (a shape or picture) by using markers, crayons, colored pencils etc. — see also 2color 2 (above)