Colour choices can make or break the UI-UX of a website. Its important that you choose only a very few amount of colours and use them right. Even more importantly, you need to choose colours harmonious with each other. These help you do just that.
- Coolors - best site for palettes.
- Colour Contrast - Contrast checker just to see if it is readable. Make sure everything passes.
- Accessible Brand Colours - ADA compliant brand colour palette designer
- 0to255 - sick concept, and free.
- Colour hunt
- Flat UI Colours
- Lolcolours
- Material Design Palette
- mycolour space - No bullshit, quick palette maker. Love it
- Rampensau - Awesome little palette picker
- Color Hunt - an old palette picker
- Adobe Colour Wheel - A harmonious palette maker from Adobe