It is too hard to build coherent and accessible themes with the right colors. This should help.

HSV(HSB)/HSL/RGB/Material color picker inspired by all the good design for your amazing flutter apps.

A highly customizable Flutter color picker.

Material color picker, you can customize colors. Selection in two step, first main color and after shades.

Dart port of HSLuv, a human-friendly alternative to HSL based on human experiments.

A dart package for generating attractive random colors. it can be used for generative art, data visualization and lot more.

A Flutter widget that provides the browser's native color picker in Flutter web apps