Adafruit Feather M0 Basic Proto - ATSAMD21 Cortex M0 _RPI_ARC_BUTTON You can set the color/brightness

You can set the color/brightness of each LED to 24-bit color (8 bits each red green and blue)

There's a few extras as well

It can also do PWM up to 1

For a full tutorial with wiring diagrams

you can be up and running in under an hour on just about anything with a USB port

Adafruit Feather M0 Basic Proto - ATSAMD21 Cortex M0 _RPI_ARC_BUTTON You can set the color/brightnessAdafruit Feather M0 Basic Proto pairs a powerful 48 MHz ARM Cortex M0 with built in battery charging and onboard prototyping space, making it ideal for portable and breadboard free Arduino projects. Feather is Adafruits portable development board familythin, lightweight, and designed to go wherever your projects take you. Built to be a new standard for mobile microcontroller platforms, Feather combines power, flexibility, and battery support in a