Colours in viscolor.txt are RGB. That's Red, Blue, Green, in that order
Background is 131,233,206. That's cyan-greenish.
Dots and peaks are 160,0,181. That's purplish-bluish.
Bars are 160,0,120. That's purplish-reddish.
So, I'd say they're showing exactly the colours you defined. Maybe you thought they're Hue-Saturation-Lightness?
Many who live deserve death, some who die deserve life - can you give it to them?
Then be not so quick to deal out death in judgement.