Ways to approach the use of colour in your visuals.
Beyond primary, secondary and tertiary colours, Jamie explains colour harmonies, and when and why they might be used (with helpful examples):
Harmony, Contrast, and the 60-30-10 Rule
The Futur Academy offers some nice suggestions for How to Not Suck at Color – 5 color theory tips every designer should know, including creative explanations of colour harmony, colour contrast, and the 60-30-10 rule:
There’s a bunch more “Intro to Colour Theory” explainer videos in my playlist – so if the explainers above didn’t do it for you, maybe another one in this playlist will: