An RGB Colour Alphabet



Similar attempts by others

Extended to 33 colours by adding:

#000000 β black
#FFFFFF ω white
#939393 γ mid-grey
#8E66B5 α amethyst   (greyish purple)
#BA6873 ρ dusty-rose (greyish red)
#79B379 σ sage       (greyish green)
#5A78B4 ς slate-blue (greyish blue)