cpt-city

An archive of colour gradients

Bristish Geological Survey map of Radon in North and Mid Wales

Rain in the eastern Caribbean using a scheme by Hayden James

Detail of aeromagnetic image of the Yilgarn region in Western Australia using the CET-L20 scheme

Schemes from Nicholas Rougeux’s recreation of Mose Harris’ colour wheels

A map of Kimberley, North West Australia, using a USGS scheme

The Moon’s Mare Tranquillitatas, landing site for Apollo 11, by Paul Naylor

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

Complete sets of gradient files are also available for download.

Selections from the archive

Notes