Repeatedly click the Randomize button until you see a color you like. Lock that color, then click Randomize again. Locking the color will allow you to keep that color in your palette. Continue this pattern until you have a palette of at least 3 colors you like. Add and delete blocks as needed. Drag blocks to place them in any order you'd like. When you are done, click Export to save the palette in the desired format.
New Feature: Ask AI to evaluate your color scheme based on color theory.