A monochromatic color scheme consists of different values (tints and shades) of one single color. These color schemes are easy to get right and can be very effective, soothing and authoritative. They do, however, lack the diversity of hues found in other color schemes and are less vibrant.
Analogous colors are colors that are adjacent to each other on the color wheel. Some examples are green, yellow green, and yellow or red, orange and yellow. Analogous color schemes are often found in nature and are pleasing to the eye. The combination of these colors give a bright and cheery effect in the area, and are able to accommodate many changing moods. When using the analogous color scheme, one should make sure there is one hue as the main color.
A color scheme that includes a main color and the two colors one space away from it on each side of the color wheel. An example is red, blue, and violet.
A color scheme that includes a main color and the two colors on each side of its complementary (opposite) color on the color wheel. These are the colors that are one hue and two equally spaced from its complement. To avoid fatigue and maintain high contrast, this color scheme should be used when giving powerpoint presentations, or when using a computer for an extended period of time. Additionally, certain colors should not be mixed, like red and green. Colors that should be used are red/violet and yellow/green.
A color scheme in which 3 colors of equidistant distribution on the color wheel are used, e.g., red, blue, and yellow.
Tetrads (or quadrads) are any four colors with a logical relationship on the color wheel, such as double complements.
A color scheme that includes only colors not found on the color wheel, called neutrals, such as beige, brown, gray, black and white.
A color scheme that includes neutral colors, like white, beige, brown, grey, or black, and one or more small doses of other colors. eg.brown and beige with blue, gray and black with red
Warm color schemes do not include blue at all, and likewise, cool color schemes do not include red at all. For example, a color scheme that includes "warmer" colors may have orange, yellow, and red-orange in it. "Cooler" colors are green, violet, light blue, etc.