I use Alizarin Crimson as the PRIMARY RED on the color wheel because it is a pure color that is perfect for its complementary color listed below.
The complementary color sits on the opposite side of the color wheel. For Alizarin Crimson, the complementary color is:
The split-complementary colors are the two colors located on either side of the complementary color on the color wheel. The following are the split-complementary colors for Alizarin Crimson:
Going clockwise on the color wheel from RED to ORANGE the analogous colors for Alizarin Crimson are:
The three PRIMARY colors on the color wheel are YELLOW, BLUE and RED. In addition to Alizarin Crimson, the other colors that make up this Triadic color scheme are: