Qualitative color palate based on the Ethan Schoonover's Solarized palette, https://ethanschoonover.com/solarized/. This palette supports up to seven values.
solarized_pal(accent = "blue")
For a given starting color and number of colors in the palette, the other colors are the combination of colors that maximizes the total Euclidean distance between colors in L*a*b space.
Other solarized colour: