# Bivariate Choropleth Maps: A How-to Guide

Canonical URL: https://colorcurio.us/library/bivariate-choropleth
Source type: Library entry
Resource URL: https://www.joshuastevens.net/cartography/make-a-bivariate-choropleth-map/
Added: 2026-09-27

## Summary

How to blend two sequential ramps into a 3×3 map legend whose diagonal still reads.

- Resource: [Bivariate Choropleth Maps: A How-to Guide](https://www.joshuastevens.net/cartography/make-a-bivariate-choropleth-map/)
- By: Joshua Stevens
- Published: 2015
- Kind: writing (article)
- Level: intermediate
- Tags: cartography, color-scales, data-viz, designer, tutorial, gis

## In collections

- [Cartography Essentials](https://colorcurio.us/library/collections/cartography-essentials)

[Back to the library](https://colorcurio.us/library)