Complementary colors live on opposite sides of the color wheel. Imagine red and green, blue and orange, or yellow and purple. Or move a half step over on the wheel, and combine a yellow-green color ...
Tertiary colors are where the magic of color mixing truly shines. These hues are the bridge between primary and secondary colors, creating a dynamic and vibrant spectrum.
On the color wheel, analogous colors are neighbors, sitting right next to each other. Think of red and orange, yellow and green, or blue and purple.