Question: are pastels warm or cool colors?
Answer: Pastel refers to a pure color that has been mixed with white. ... As shown, a pastel of red would be along the edge going from the pure color (red) to white. Warmness or coolness of a color, though, refers to how much orange or blue it has. So peach (i.e. pastel orange) is warm , while baby blue (pastel blue) is cool.