| 31. | Two lights with the same spectral power distribution, but different luminance, will have identical chromaticity coordinates.
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| 32. | Hues are identified according to the hue angle ?, measured on the CIE 1931 xy chromaticity plane.
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| 33. | The color hexagon : a chromaticity diagram based on photoreceptor excitations as a generalized representation of colour opponency.
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| 34. | The complete specification of an RGB color space also requires a white point chromaticity and a gamma correction curve.
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| 35. | The watercolor illusion is best when the inner and outer contours have chromaticities in opposite directions in color space.
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| 36. | Shown in red are the CIE " xy " chromaticity axes which were determined by the above requirements.
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| 37. | If one adds white light to a monochromatic light, one will obtain a straight line on the chromaticity diagram.
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| 38. | Two parts of a visual field can be of equal luminance, but their color ( chromaticity ) is different.
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| 39. | First, a factor representing the Helmholtz-Kohlrausch effect must be calculated from the x and y chromaticity coordinates:
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| 40. | "' Chromaticity "'is an objective specification of the quality of a color regardless of its luminance.
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