Parse "R, G, B" (Entracte's overlay_custom_rgb shape), darken it via clampRgbToDark, and re-emit the CSV. Returns null on malformed input.
"R, G, B"
overlay_custom_rgb
null
Parse
"R, G, B"(Entracte'soverlay_custom_rgbshape), darken it via clampRgbToDark, and re-emit the CSV. Returnsnullon malformed input.