ipea_palette produces a character vector, cv, containing color hex codes.
This vector can be utilized to establish a custom color scheme for future graphics using palette(cv),
or it can be applied directly as a col = parameter in graphic functions or within par.
Arguments
palette
A character string indicating the color map option to use.
These options are available: 'Blue', 'Green', 'Orange', 'Pink', 'Red-Blue'
'Orange-Blue', 'Green-Blue', 'Viridis', 'Inferno', 'Magma', 'Plasma'
'Cividis'.
alpha
The alpha transparency in a number between 0 and 1.
begin
The (corrected) hue in a number between 0 and 1 at which the color map begins.
end
The (corrected) hue in a number between 0 and 1 at which the color map ends.
palette_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.
References
'Blue','Green','Orange','Pink','Green-Blue','Green-Blue-White','Red-Blue','Red-Blue-White',
'Orange-Blue','Orange-Blue-White', 'Viridis','Inferno',
'Magma','Plasma' and 'Cividis': https://pmassicotte.github.io/paletteer_gallery/