Well using a free translation too
white red yellow pink green orange purple blue black brown
Weiß rot gelb rosafarben grün orange purpurn blau schwarz braun
So at a guess
rt - rot - red
ge - gelb - yellow
gr - gun - green
blws - blueweis - bluewhite (headlights by any chance?)
gnrt - grunrut - greenred
brws - braunweis - brownwhite