title. Unseen Colours

In April 2025 a team at the University of California claimed to have found a colour no-one had ever seen before which they called olo.

This was achieved by firing lasers into the the researchers eyes and only manipulating one of the three cone cells in the human eye. They described the colour as a highly saturated green.

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Interested in the idea of unseen colours but not keen to fire lasers at my eyes I have instead explored a process known as dithering.

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Dithering is where you have a repeated pattern like a checker-board with two contrasting colours. When the pattern is small enough our brain blends the colours.

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But is my brain blending the colours the same as yours? Have I found new unseen colours? Maybe not, but it is an interesting part of the creative process to test the impossible.

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