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The CIELAB color space, also referred to as L*a*b*, is a color space defined by the International Commission on Illumination (abbreviated CIE) in 1976. [ a ] It expresses color as three values: L* for perceptual lightness and a* and b* for the four unique colors of human vision: red, green, blue and yellow.
CIELAB produces a color space that is more perceptually linear than other color spaces. Perceptually linear means that a change of the same amount in a color value should produce a change of about the same visual importance. CIELAB has almost entirely replaced an alternative related Lab color space called “Hunter Lab”. This space is ...
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English: The sRGB gamut plotted within the CIE LAB color space. L is the vertical axis; a and b are the horizontal axes. L is the vertical axis; a and b are the horizontal axes. The illuminant for the material is D65, but there are also additional lights shining upon it, as well as some ambient glow.
The appearance correlates of CIECAM02, J, a, and b, form a uniform color space that can be used to calculate color differences, as long as a viewing condition is fixed. A more commonly-used derivative is the CAM02 Uniform Color Space (CAM02-UCS), an extension with tweaks to better match experimental data.
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Their short, dense coats can range in color from a light brown hue to a deep, dark cocoa brown. These medium-to-large-sized dogs weigh 55 to 80 pounds, with males being larger than females, and ...
The LD50 is when half the dogs die at that dose, so the toxic dose may be a lot lower, and if your dog has a health problem or is taking another medication, it may be even lower than that.