https://observablehq.com/@shastabolicious/two-hue-sequential-color-scale
Two-Hue Sequential Color Scale / Casey Labrack | Observable
Oct 30, 2023 - The controls below generate multi-hued color scales using new features of chroma.js. Color scales are a little more effective when they use hue as well as...
sequential colortwohuescalecasey
https://observablehq.com/@nyuvis/starting-a-sequential-color-scale-at-a-darker-color?collection=@nyuvis/guides-and-examples
Starting a sequential color scale at a darker color / EBVL | Observable
Jan 5, 2025 - Sometimes the lightest shade in a color scale is difficult to see against a white background. For example, if you're drawing a choropleth of the US, and Hawaii...
sequential colorstartingscaledarkerobservable