Colours made from oxygen
22 colours that our sources say are made from oxygen.
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Paris Green
A toxic emerald-green pigment once prized in art and used as an early insecticidePigment · 🇩🇪 Germany +4
Green
Scheele's green
A yellowish-green pigment once prized for its brilliance, now infamous for its toxicityPigment
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Viridian
A blue-green pigment made from hydrated chromium oxide, valued in painting since the 1800sPigment

Green
Bioluminescence
Light produced by living things through a chemical reactionColour named from nature
Photo credits on this page
The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.
- Paris Green: Chris goulet at English Wikipedia, CC BY-SA 3.0, source
- Viridian: Josh814, CC BY-SA 4.0, source
- Scheele's green: Georg Friedrich Kersting, Public domain, source
- Bioluminescence: art farmer, CC BY-SA 2.0, source