— yellow, orange and red — to produce feelings of warmth, coziness and support. Think of fall leaves and how autumn makes you feel and be aware that these colors can be softened to be more relaxed or brightened to increase energy.
— blue, green and purple — to produce feelings of calmness, serenity, and relaxation. Think of the ocean, nature and the spa and how you feel in those environments; these colors promote peace and tranquility.
— gray, white and earthtones — to produce feelings of balance and grounding. Think of the mountains, dark skies and fluffy clouds. Neutrals are versatile, timeless, clean and sophisticated.
Apply appropriate colors that fit with the size of a room. Dark colors will make a room feel smaller, while light colors will make a room or space feel larger.
If you are looking for a non-monotone color palette, use a primary color as the main color and add a secondary and accent color to provide contrast and interest.