Orange (colour)

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The colour orange occurs between red and yellow in the visible spectrum at a wavelength of about 585–620 nm, and has a hue of 30° in HSV colour space. It is numerically halfway between red and yellow in a gamma-compressed RGB colour space, the expression of which is the RGB colour wheel. The complementary colour of orange is blue. Orange pigments are largely in the ochre or cadmium families, and absorb mostly blue light.

Contents

Etymology

The colour is named after the orange fruit, after the appearance of the ripe fruit.[3] Before this word was introduced to the English-speaking world, the colour was referred to as ġeolurēad (yellow-red).

The first recorded use of orange as a colour name in English was in 1512,[4] in the court of King Henry VIII.

Variations

Orange (web colour)

Web colour orange, defined as FFA500, is the only named colour defined in CSS that is not also defined in HTML 4.01

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