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The color temperature scale describes only the color of light emitted by a light source, which may actually be at a different (and often much lower) temperature. [1] [2] Color temperature has applications in lighting, [3] photography, [4] videography, [5] publishing, [6] manufacturing, [7] astrophysics, [8] and other fields.
High temperatures soften a painting and allow dirt to stick to surface. Low temperatures cause paintings to become brittle. Canvas: 50 ± 10%: Collects dust easily: max 200 lux: 68 °F ± 2° Collects dust easily [18] Ceramics [19] 50% ± 5%: May result in weeping and crizzling or: max 300: Some types of glass may turn purple from solarization ...
The CIE 1931 xy chromaticity space, also showing the chromaticities of black-body light sources of various temperatures, and lines of constant correlated color temperature 3D chromaticity diagram of the WideGamutRGB color space. Chromaticity is an objective specification of the quality of a color regardless of its luminance.
This moves the mixed color toward a neutral color—a gray or near-black. Lights are made brighter or dimmer by adjusting their brightness, i.e., energy level; in painting, lightness is adjusted through mixture with white, black, or a color's complement. The Color Triangle depicting tint, shade, and tone was proposed in 1937 by Faber Birren. [4]
Correlated color temperature (CCT, T cp) refers to the temperature of a Planckian radiator whose perceived color most closely resembles that of a given stimulus at the same brightness and under specified viewing conditions."
Low Temperature – freeze paintings placed inside a sealed plastic bag at a temperature of -20 °F (-29 °C) for 4 hours. Overexposure to fluctuations in Relative Humidity and temperature should be monitored when managing pests to prevent damage to the painting. Cradled panel painting, Aert van der Neer
These common lighting qualms have to do with the color temperature of the light bulbs. While many people may look at wattage (i.e., the amount of energy that a bulb uses to produce light) before ...
The CRI is calculated by comparing the color rendering of the test source to that of a "perfect" source, which is a black body radiator for sources with correlated color temperatures under 5000 K, and a phase of daylight otherwise (e.g., D65). Chromatic adaptation should be performed so that like quantities are compared.
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