Bing found the following results
HTML Color Picker - W3Schools
Coolors - The super fast color palettes generator!
Color Palettes for Designers and Artists - Color Hunt
Create beautiful palettes with Adobe Color
Color - Wikipedia
Color | Definition, Perception, Types, & Facts | Britannica
Color Hex - ColorHexa.com
Color Definition & Meaning - Merriam-Webster
ColorKit - Color Palettes, Gradients, Inspiration, and Color Tools
Color wheel - color theory and calculator | Canva Colors