Formula: Analogous

Many companies you interact with in day-to-day life use adjacent or analogous colors.

Formula: Complementary Colors

Look no further than the world of North American sports to find logos that use complimentary colors.

Formula: Split Complementary Colors

We’ll go back to sports team logos here. Can you spot the common thread in the color schemes? Do note that many of these teams use a single triad color like the Montréal Canadiens do.

Formula: Tetradic

You’ll need to look to the tech industry to find the best examples of tetrad colors in the real world.

Interestingly, there is one North American professional sports team that pulls off a tetrad color scheme incredibly well. Any guesses as to which team it is? I’ll give you a hint. It’s an NBA team.

Formula: Monochromatic

Formula: Triadic

source: https://blog.matthewgove.com/2021/07/02/color-theory-a-simple-exercise-in-mathematics-and-graphic-design/