jelo, laso, loje, pimeja and walo as adjectives

You can mix different colors. Toki Pons is about simplicity, so keep it basic.

laso loje		purple (reddish blue)
laso jelo		green (yellowish blue)
loje jelo		orange (yellowish red)
loje walo		pink (whitish red)
walo pimeja		grey (dark white)

Keep in mind that colors by themselves can't really follow any sort of logical pattern, so you're free to mix them around as you like:

laso loje / loje laso		reddish blue (purple
laso jelo / jelo laso		yellowish blue (green)