Definition Of toning
give (a monochrome picture) an altered color in finishing by means of a chemical solution.
With the toner used at full strength, the print should be fully toned in about six to eight minutes.
give greater strength or firmness to (the body or a part of it).
exercise tones up the muscles
harmonize with (something) in terms of color.
the rich orange color of the wood tones beautifully with the yellow roses