Coolors

https://coolors.co/

Generate or browse beautiful colour combinations for your designs

Mobile apps, Figma plugin, chrome

Free 5 colours per palette, save 10 palettes, 1 project, 1 collection

Pro ups all of this and give much more 3 or 5€ per month

Happy Hues -

https://www.happyhues.co/

See colour palette inspiration on a real example website. As you click on different palettes every colour on this site updates to give you context of how that colour could be used for your design or illustration projects.

Curated colors in context.

Not sure what colors to use in your designs or where to use them? Happy Hues is a color palette inspiration site that acts as a real world example as to how the colors could be used in your design projects.

UI Gradients -

https://uigradients.com/

UI Gradients is a handpicked collection of beautiful colour gradients for designers and developers. Who odes not love a gradent

Picular -

https://picular.co/

Picular is a rocket fast primary colour generator using Google’s image search. If you ever needed the perfect yellow hex code from a banana, this is the tool for you.

Colourmind

http://colormind.io/p-

Colormind is a color scheme generator that uses deep learning. It can learn colour styles from photographs, movies, and popular art.

Adobe Colour wheel

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

Colour wheel can be used to generate a colour palette, which can be saved to Adobe CC or any software that supports the format

Brandcolours

https://brandcolors.net/

The biggest collection of official brand colour codes around. If you need a brand colour you should find it here. It is quicker that looking on the brands site.

Colourlovers

https://www.colourlovers.com/

is a creative community where people from around the world create and share

colours, palettes and patterns, articles about colours and more

Most of these sites will give you the RGB value, HSL, CYMK & LAB all will provide you with the HEX