Cool colors are blue, green and purple. They tend to recede from the viewer. The color of the sky or ocean suggests a coolness in the colors of green and blue. Artists produce shades of a given hue by adding black, tints by adding white. Saturation -Is the pureness of a color.
Pure hues have the greatest intensity or brightness.
Intensity is the degree of brightness or dullness of a color. The saturation decreases when another hue or black, gray and white are added. Value and saturation are not constantly related. High saturation yellow has a high value. High saturation violet has a low value.