Working with Color

ojs

Author

Mike Bostock

@mbostock

Visualization toolmaker. Founder @observablehq. Creator @d3. Former @nytgraphics. Pronounced BOSS-tock.

Comments (4)

Stephanie Tuerk

Apr 5, 2021

Quick question: is it intentional that d3.hsl() returns a NaN value for the 'h' property if a gray hex value is entered? See for example d3.hsl('#dedede');

Mike Bostock

Apr 5, 2021

Yes, see https://observablehq.com/@d3/achromatic-interpolation

thank you!

Is it possible to get the opacity added as a 4th hex value?

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