Viridis palette

viridis_pal(alpha = 1, begin = 0, end = 1, direction = 1,
  option = "D")

Arguments

alpha

The alpha transparency, a number in [0,1], see argument alpha in hsv.

begin

The (corrected) hue in [0,1] at which the viridis colormap begins.

end

The (corrected) hue in [0,1] at which the viridis colormap ends.

direction

Sets the order of colors in the scale. If 1, the default, colors are ordered from darkest to lightest. If -1, the order of colors is reversed.

option

A character string indicating the colormap option to use. Four options are available: "magma" (or "A"), "inferno" (or "B"), "plasma" (or "C"), "viridis" (or "D", the default option) and "cividis" (or "E").

References

https://bids.github.io/colormap/

Examples

show_col(viridis_pal()(10))
show_col(viridis_pal(direction = -1)(6))
show_col(viridis_pal(begin = 0.2, end = 0.8)(4))
show_col(viridis_pal(option = "plasma")(6))