Palettes whose path through the colour-space is mostly by variation in hue. These palettes are particularly suited for plots with illumination effects, as produced by grdimage with the -I option.
GMT cool
GMT rainbow
GMT seis
Romanian flag smooth
subtle
Blue Green
Magenta Yellow
CW Cyan Magenta
Red Yellow
faint-rainbow
apple-red
fruit-salad
pastel-yellow-pink
spectrum-light
spectrum-rainbow-medium
violet-orange
occ018
angelrepose
pinkchampagne