Octarine, also known as the Colour of Magic or the King Colour, was the eighth colour of the Discworld spectrum. It was visible only to wizards and cats. It is generally described as a fluorescent greenish yellow-purple (as described in the colour of magic). The only time non-wizards can see it is when they close their eyes; the bursts of color are octarine.

The presence of octarine generally signifies the presence of magical energy, such examples are the Rimbow, places where a spell of a significant level of wizardry is taking place and Unseen University.

Appearances[edit | edit source]

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