palDesaturate: Creates palette from base color
In OlivierGranacher/colorCustom: Tools for color creation

Palette with same hue and luminance colors, only saturation varies down from start color

palDesaturate(
  base_color = "blue",
  n = 3,
  max_desaturation = 0.8,
  plot = F,
  lighten = 0,
  dir = 1
)

`base_color`	hex code or name
`n`	number of colors to return in palette
`max_desaturation`	fraction of desaturation for end color : 1 is complete desaturation
`plot`	if TRUE return hclplot
`lighten`	between -1 and 1, positive values for lightening and negtive for darkening
`dir`	-1 for reversing color order