Whether a color is warm or cool depends first upon what hue it is. When it is located next to other colors of the same hue, look for
saturation. A lower saturation will be cooler than a high saturation when two colors are the same hue.
Another clue is this: if a color feels like yellow, orange or red, it will tend to be warm. The bluer it feels, the cooler.
Generally, hue temperatures will fall on the color wheel like this:
