My simple LED color conversion -> RGBW module ( https://github.com/iamh2o/rgbw_colorspace_converter/ ) how now also become an ansi art generator. Strange combo, but this is what happens when you try to come up with visual tests for s/w meant to drive LEDs, but all you have is a terminal :-)

One of the test scripts in motion: https://asciinema.org/a/430816