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| The bands of colour seen when white light is passed through a prism |
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| the humanly perceptible bands of coloured light created when white light passes through a prism |
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| the light waves that bounce back to our eye from a surface rather than being absorbed into it. These reflected waves determine what we call the "colour" of the object. |
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| A powder that is the colouring ingredient for paint or other colour media. |
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| mixing of pigments, producing a slightly darker value since each pigment subtracts its energy from the light reflected by the mixture |
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| a very light value or hue |
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| Mixtures of light to create colours, called "additive" since each coloured light adds its energy to the mixture, raising its value slightly. |
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| Colours mixed visually, as when hues are closely juxtaposed in space or when transparent layers of different colours are overlaid. |
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| The characteristics of colour identified by colour names, such as red and blue. It corresponds to a particular wavelength within the spectrum of visible light. |
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| a 2d circular model of relationships between hues |
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| In colour theory, those basic hues from which all other hues can be mixed. Different colour theories suggest different primaries. In traditional colour theory about pigment mixtures, the primary colours are red, yellow, and blue. |
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| In colour theory, the hues created by mixing two primary colours together. |
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| In colour theory, the hues created when a primary and a secondary colour are mixed. |
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| A measure of the relative purity and brightness or grayness of a colour, also called "chroma" or "intensity". |
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| Hues that are opposite each other on a colour wheel. When mixed, they grey or neutralize each other; when juxtaposed, they intensify each other. |
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| Colours of very low saturation, approaching greys. |
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| The principle that the juxtaposition of two colours exaggerates their differences and reduces their similarities. |
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| the natural colour of an object |
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| A method of painting with pigment-bearing hot wax |
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| red, orange, and yellow hues |
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| hues in the green and blue range |
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| The optical illusion that areas closer to the viewer are sharper in detail, colour intensity, and value contrast than areas farther away, sometimes used intentionally by artists to create illusions of spatial depth. |
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| A colour scheme using closely related colours derived from a single hue but perhaps varying in value and saturation. |
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| Hues lying next to each other on a colour wheel, sometimes used together in colour schemes. |
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