Blue in all shades is a great option for cooling you down. It belongs on the cool side of the color wheel, meaning theory and color science is behind why it’s number one on our list of cooling bedroom colors.
This is a scheme using three colors that are adjacent to each other on the color wheel. An analogous scheme can be very harmonious and relaxing. A scheme of blue-green, green, and green-yellow is an example of an analogous color scheme. This scheme benefits from having one dominant color with the two remaining colors as accents. Analogous schemes work well with accent walls and other large-scale accents because the colors are naturally harmonious together.