Which colors or color schemes are predominant in this artwork?

Analogous red, orange, and yellow

Explanation:

More advanced color schemes involve several related colors in "Analogous" combination, for example, text with such colors as red, yellow, and orange arranged together. hope this helped! I got it from wiki https://en.wikipedia.org/wiki/Color_scheme

The answer warm because the colors are yellow,orange,red orange,and red.Those are none of warm colors and those colors are the colors in this picture.(also cause i did the test and got it right)