Monochromatic schemes are based on one hue, which varies in value (lightness and darkness), and saturation (the amount of color). An example of this is a pale blue with a pure blue and dark blue.
Analogous schemes combine no more than three similar colors. An example of this is red, yellow red (orange), and yellow.
Complementary schemes are based on opposing colors. This scheme offers more contrast and can introduce both warm and cool colors into the area. An example would be the burgundy complementing the three shades of green in your front door
Find an existing dominant color that you like or wish to keep, in the room or on the house. On an exterior, this could be the color of the brick or stone, pre-finished windows, or roof. For an interior, it could be the color of your sofa, flooring, art work, or window coverings.
Determine what kind of feeling you wish to have in the room or on the home. Warm colors such as red, oarnge, yellow, or beige, can create an invigorating mood or add cozy intimacy to large spaces. They can help to warm up a room that has northern or eastern exposure. Blues, greens, violets, or grays, the cool colors, give a serene feeling and can add spaciousness to small spaces. The balance between light colors and deep colors should be considered.