This still life oil painting by Philip R Jackson demonstrates reflected color on the table in the reds of the tomato's mirror image. (Tension Series: Goodbye Goldfish, 2004, 8 x 10 inches. Private collection.)
What is reflected color?
In art reflected color is a change of hue caused when one color is reflected onto another.
How to paint reflected color
In oil painting glazes are a good way to achieve the subtlety of reflected hues, since a glaze can be built up slowly.
See also: How to use reflected light