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A little wonder, every day

Newton’s colour circle predates the United States

Newton’s color circle, Wikimedia Commons, public domain. [Source](https://commons.wikimedia.org/wiki/File:Newton%27s_color_circle.png). Visually checked. This 1704-era diagram is historically distinct from a modern evenly divided colour wheel.

Newton’s color circle, Wikimedia Commons, public domain. [Source](https://commons.wikimedia.org/wiki/File:Newton%27s_color_circle.png). Visually checked. This 1704-era diagram is historically distinct from a modern evenly divided colour wheel.

Listen to fact0:00 / —

In Opticks (1704), Newton arranged spectral colours around a circle and used a geometric construction to reason about mixtures. This preceded the United States Declaration of Independence in 1776. His scheme was not identical to a modern evenly divided colour wheel.