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Orange is the colour between yellow and red on the spectrum of visible light. Human eyes perceive orange when observing light with a dominant wavelength between roughly 585 and 620 nanometres. In traditional colour theory, it is a secondary colour of pigments, produced by mixing yellow and red.
Orange pigments are largely in the ochre or cadmium families, and absorb mostly blue light. Varieties of the color orange may differ in hue, chroma (also called saturation, intensity, or colorfulness) or lightness (or value, tone, or brightness ), or in two or three of these qualities.
Orange is the color in the visible spectrum between red and yellow with a wavelength around 585 – 620 nm. In the HSV color space, it has a hue of around 30°.
Colors vary in several different ways, including hue (shades of red, orange, yellow, green, blue, and violet, etc), saturation, brightness. Some color words are derived from the name of an object of that color, such as "orange" or "salmon", while others are abstract, like "red".
In the traditional RYB color model, the complementary color pairs are red – green, yellow – purple, and blue – orange. Opponent process theory suggests that the most contrasting color pairs are red–green and blue–yellow. The black - white color pair is common to all the above theories.
Orange is a secondary color across many models of color space. It is often associated with amusement, extroversion, fire, energy and activity. It is the color most closely associated with autumn and leaves. It is one of the most attention-grabbing colors in human vision, and is often used to attract the eye (traffic cones, safety vests, etc ...
International Orange (Aerospace) Color coordinates; Hex triplet: #FF4F00: sRGB B (r, g, b) (255, 79, 0) HSV (h, s, v) (19°, 100%, 100%) CIELCh uv (L, C, h) (59, 152, 18°) Source: ISCC–NBS descriptor: Vivid reddish orange: B: Normalized to [0–255] (byte)
Vivid reddish orange. B: Normalized to [0–255] (byte) Red (RGB), RGB red, or electric red[citation needed] (as opposed to pigment red, shown below) is the brightest possible red that can be reproduced on a computer monitor. This color is an approximation of an orangish red spectral color.
Category:Shades of orange. Various shades of the color orange. This category is for all varieties, not only shades in the technical sense. See also: Category:Shades of brown. Wikimedia Commons has media related to Types of orange.
Ochre pigment. Ochre ( / ˈoʊkər / OH-kər; from Ancient Greek ὤχρα (ṓkhra), from ὠχρός (ōkhrós) 'pale'), iron ochre, or ocher in American English, is a natural clay earth pigment, a mixture of ferric oxide and varying amounts of clay and sand. [1] It ranges in colour from yellow to deep orange or brown.
