For cartography, technical illustration and design. The archive supports several formats and is organised by author.

• Colour schemes by Cynthia Brewer
• Subtle gradients from Crumblingwalls
• Gradients by Diane Simoni
• Toning samples by Eric R. Jeschke
• A DEM palette by Erika Mackay
• Selected legends from the European Soil Database
• The DEM palettes from drawmap, by Fred M. Erickson
• Palettes from the graphics packages GIST and Yorick
• Standard GMT palettes
• Gimp gradients
• Spectral gradients by Hult
• Gradients by Ingerlise
• Technical gradients by J.J. Green
• The ShadeMax palettes by Jim Mossman
• Loadboy’s gradients for graphic design
• Gradients by Michele Arnold
• Precipitation palettes by Mark J. Fenbers
• Nevit Dilmen’s extra gradients for the Gimp
• Pixel-art gradients by Neota
• Gradients from the Open Clip Art Library
• Digital art gradients by Onecoldcanadian
• Piecrust Design’s natural gradients
• Gradients by Peggy Jentoft
• Gradients from Restless Concepts
• Web 2⋅0 gradients from Sarah Davison
• DEM palettes by Thomas Dewez
• Nonlinear greyscales by Thomas Lotze
• Victor Huerfano’s Caribbean DEM palette

The complete set of cpt files is also available in the cpt-city package.

Views of the archive

• The most popular palettes: cpt, ggr, grd, inc, svg
• Palettes for bathymetry and a selection of blues
• Palettes for topography
• Mixed palettes for topography & bathymetry
• Spectral hueshift palettes
• Various greys and near-greys

Notes

• The faq, answers to frequently asked questions
• The news on recent changes to the archive
• The formats supported
• Selected links to colour palette table resources
• Examples of colour gradient usage
• Notes for contributors
• A big thank you to everyone who has contributed to this site

Site statistics

• Maps of the geographic distribution of downloads: cpt, ggr, grd, inc, svg
• Monthly histories of downloads: cpt, ggr, grd, inc, svg
• Downloads by format