cpt-city: Colour Gradients for R

Incorporates 7140 colour gradients from the cpt-city web archive into R. Each palette is stored as a data.frame with columns id, r, g, b.

Functions

cpt

Return an interpolated colour palette or colorRampPalette function.

find_cpt

Search palette names by keyword.

lucky

Pick a random palette — "I'm Feeling Lucky" for colours.

show_cpt

Display multiple palettes side-by-side.

See also

Useful links:

• https://github.com/ibarraespinosa/cptcity

• Report bugs at https://github.com/ibarraespinosa/cptcity/issues/

Author

Maintainer: Sergio Ibarra-Espinosa sergio.ibarra-espinosa@noaa.gov (ORCID)

Authors:

• Sergio Ibarra-Espinosa sergio.ibarra-espinosa@noaa.gov (ORCID)