1 - Pigment:

A unique way to generate fresh and vibrant colors based on lighting and pigment, instead of math. Find a beautiful, free color palette in seconds to kick.

Site: https://pigment.shapefactory.co/

2 - Khroma:

Khroma uses AI to learn which colors you like and creates limitless palettes for you to discover, search, and save.

Site: http://khroma.co/

3 - Color Hunt:

Discover the newest hand-picked color palettes of Color Hunt. Get color inspiration for your design and art projects.

Site: https://colorhunt.co/

4 - Encycolorpedia:

Provide color schemes, blends, gradients and color conversion spaces.

Site: https://encycolorpedia.pt/

5 - Colors LOL:

Overly descriptive color palettes.

Site: https://colors.lol/

6 - Coolors:

Create the perfect palette or get inspired by thousands of beautiful color schemes.

Site: https://coolors.co/

7 - Adobe Color:

Create color palettes with the color wheel or image, browse thousands of color combinations from the Adobe Color community.

Site: https://color.adobe.com/pt/create/color-wheel