Design

The Cyanometer: A Tool to Measure the Sky’s Blueness

Invented by Swiss scientist Horace-Bénédict de Saussure in the 18th century, the circular chart contains 52 shades of blue. Inspired by his love for the Alps, especially Mont Blanc, Saussure climbed to great heights to study the deeper blue skies at higher altitudes.

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oh nice til cyanometer

just yesterday was sitting in someone’s living room noticing the blue of the sky of a painting on the wall and the blue sky outside and appreciating how the painter had nailed that day’s color. about an 18 or 19 I’d say 🎨 🦋

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I agree! However, at this point its a relic from the past. I gather someone could take modern colour swatch cards and fan them out to create a similar effect. 
What they do with those measurements its subjective to the person doing them.

What a cool tool!
Where does one acquire a cyanometer? And what do people often do with their sky color measurements?

This is fascinating! It's amazing how Saussure's passion for the Alps led to such a unique and scientific way of measuring the sky's blueness. It’s incredible that such a simple tool was used to explore the beauty of nature!