The best alternatives to The Colorbook are Coolors, Mozilla, and Dribbble Color Generator. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
At Mozilla, we’re a global community of technologists, thinkers and builders working together to keep the Internet alive and accessible, so people worldwide can be informed contributors and creators of the Web. We believe this act of human collaboration across an open platform is essential to individual growth and our collective future.
Have you ever found some inspiring color palettes on Dribbble, but find it tedious to load them into Sketch? This extension solves exactly that. It allows you to generate asketchpalette file from any Dribbble shot, to be later loaded in Sketch.
An easy-to-use tool that includes color systems and palettes from famous tech companies, such as Apple HIG, Google Material Design, Microsoft Fluent Design and more, which supports long press to copy HEX and RGB values.