What colors are yellow and gray?

Yellow plus ash can be matched with unearthed yellow, lemon yellow, or medium yellow plus ash.

The effect of color is different with different proportions.

Extended data:

Three primary colors refer to the three basic colors that cannot be decomposed. What we usually call three primary colors, namely magenta, yellow and cyan (cyan is not blue, and blue is a mixture of magenta and cyan). The three primary colors can be mixed into all colors and add up to black at the same time. Black, white and gray belong to colorless system.

In terms of color, the mixed color of the three primary colors is black, while the mixed color of the three primary colors as light-based materials is white due to the special properties of light.

The light will be brighter and brighter. Paired mixing can get brighter intermediate colors: red, medium green and ultramarine, and three equal combinations can get white.

Complementary color means that there are no other colors at all, and red and green are mixed into yellow. Because there is no blue at all, yellow is the complementary color of blue. Red and green are mixed into yellow according to a certain proportion. So yellow can't be called three primary colors.

References:

Baidu encyclopedia-tricolor