Colours

Gituli
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Colours

Postby Gituli » Mon May 13, 2019 8:52 pm

Hue – Hue is the stimuli that can be defined as colour. Hue is a pure pigment, without tint or shade.
Usually, colors with the same hue are distinguished with adjectives referring to their lightness or colorfulness, such as with "light blue", "pastel blue", "vivid blue". Exceptions include brown, which is a dark orange.

Pigment – A pigment is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption.
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Gituli
Traveller
Posts: 460
Joined: Sat May 14, 2011 9:40 pm
Location: Odisha, India

Re: Colours

Postby Gituli » Mon May 13, 2019 8:53 pm

Colorfulness is the "attribute of a visual perception according to which the perceived color of an area appears to be more or less chromatic"

Chroma is the "colorfulness of an area judged as a proportion of the brightness of a similarly illuminated area that appears white or highly transmitting".

While colorfulness is an attribute of the color of the light reflected from different parts of the object, chroma is an attribute of the color seen as belonging to the object itself (called an object color),and describes how different from a grey of the same lightness such an object color appears to be.

Saturation is the "colorfulness of an area judged in proportion to its brightness"

Tint – A tint is a mixture of a color with white, which reduces darkness.
Shade – A shade is a mixture with black, which increases darkness.
Tone – A tone is produced either by mixing a color with grey, or by both tinting and shading.
Both processes affect the resulting color mixture's relative lightness. Mixing a color with any neutral color (including black, gray and white) reduces the chroma, or colorfulness, while the hue remains unchanged.
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