coloring

noun

• 1the process or skill of applying a substance to something so as to change its original color.
• the process of filling in a particular shape or outline with crayons: [as modifier]:a coloring book

• 2visual appearance with regard to color, in particular.
• the arrangement of colors and markings on an animal.
• the natural hues of a person’s skin, hair, and eyes:her fair coloring
• the pervading character or tone of something:the comments give a distinctly more ideological coloring to research conclusions

• 3a substance used to give a particular color to something, especially food.