On a color wheel, the secondary colors sit between the primary colors.
Color theory also includes “quaternary” colors, which are colors made by mixing tertiary colors together. The resulting colors are often neutral, gray-toned shades. [3] X Research source
In addition, “split-complementary” combinations consist of a primary color, and the 2 colors on either side of its opposite color on the color wheel. [4] X Research source For example, a split-complementary combination might include blue as a primary color, and then yellow-orange and orange-red as its supporting colors.
A monochromatic bouquet of red roses is sure to be the centerpiece of any room it’s in. Alternatively, red looks great when paired with analogous colors. Red lilies bunched with supporting orange-red and orange flowers like begonias, chrysanthemums, or marigolds make for a fiery, vibrant arrangement. In addition, include plenty of greenery like broad-leafed plants to provide red’s complementary color, green, to the bouquet.
Alternatively, pairing blue flowers with complementary oranges or even yellows can make the yellow flowers really pop. Surround a few big, bold yellow flowers, like sunflowers, with softer, cascading blue flowers, like lilacs.
Alternatively, yellow flowers tend to really pop when paired with complementary purple flowers like lilacs or irises.