# cpt-city

Canonical URL: https://colorcurio.us/library/cpt-city
Source type: Library entry
Resource URL: https://phillips.shef.ac.uk/pub/cpt-city/
Added: 2026-01-04

## Summary

A huge archive of gradient files from GMT, GRASS, and other mapping tools, offered in many formats.

Built by J.J. Green and now kept by Tim Phillips. It is a collection, not a recommendation, so check a map before you use it.

- Resource: [cpt-city](https://phillips.shef.ac.uk/pub/cpt-city/)
- By: J.J. Green
- Kind: colormaps (tool)
- Level: intermediate
- Tags: color-scales, cartography, gradients, scientist, gallery, gis

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