• Thumbnail for Color rendering index
    A color rendering index (CRI) is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison...
    49 KB (5,466 words) - 15:23, 6 July 2025
  • devised to measure the color rendering of a light source, to the human eye or to the camera. Notable ones include: Color rendering index (CRI), CIE 1974. Currently...
    14 KB (1,594 words) - 07:53, 30 January 2025
  • Thumbnail for Fluorescent lamp
    light's spectral composition, and may be gauged by its color rendering index (CRI). Correlated color temperature (CCT) is a measure of the "shade" of whiteness...
    95 KB (11,286 words) - 22:24, 24 June 2025
  • Thumbnail for Color temperature
    specified viewing conditions". The SI unit is the Kelvin (K). The CIE color rendering index (CRI) is a method to determine how well a light source's illumination...
    32 KB (3,611 words) - 02:59, 9 July 2025
  • Thumbnail for False color
    False colors and pseudo colors respectively refers to a group of color rendering methods used to display images in colors which were recorded in the visible...
    27 KB (2,237 words) - 20:22, 20 June 2025
  • Thumbnail for Light-emitting diode
    that these ZnSe-based white LEDs exhibited a color temperature around 3400 K and a color rendering index (CRI) of 68. At a forward current of 20 mA, the...
    118 KB (13,077 words) - 22:51, 13 July 2025
  • Thumbnail for High-CRI LED lighting
    a light-emitting diode (LED) lighting source that offers a high color rendering index (CRI). CRI is a quantitative measure of a light's ability to reproduce...
    10 KB (1,185 words) - 14:06, 15 July 2025
  • Thumbnail for Index of color-related articles
    realism Color recovery Color rendering index Color scheme Color solid Color space CMYK color space HSV color space HSL color space RGB color spaces Adobe...
    4 KB (333 words) - 09:40, 12 May 2025
  • Thumbnail for LED filament
    Typically, a mix of phosphors is used to give a higher color rendering index (as distinct from color temperature) than the early blue LEDs with yellow phosphor...
    9 KB (1,043 words) - 15:54, 29 June 2025
  • Thumbnail for Metamerism (color)
    in the illuminant. The best-known measure of metamerism is the color rendering index (CRI), which is a linear function of the mean Euclidean distance...
    14 KB (1,753 words) - 22:35, 23 June 2025
  • Thumbnail for Lighting
    organization on color and lighting. Publishing widely used standard metrics such as various CIE color spaces and the color rendering index. The Illuminating...
    68 KB (8,036 words) - 19:23, 17 July 2025
  • Thumbnail for Ishihara test
    6000–7000 K temperature (ideal: 6500 K, Color Rendering Index (CRI) >90), and is required for military color vision screening policy. Fluorescent bulbs...
    8 KB (935 words) - 20:18, 19 April 2025
  • In computing, indexed color is a technique to manage digital images' colors in a limited fashion, in order to save computer memory and file storage, while...
    25 KB (3,134 words) - 21:20, 31 March 2024
  • Thumbnail for Carbide lamp
    v t e Lighting Concepts Accent lighting Color rendering index Color temperature Electric light Glare Light fixture Light pollution Hawaii Hong Kong Lightbulb...
    12 KB (1,350 words) - 08:30, 16 June 2025
  • Thumbnail for Ring flash
    and thickness, as well as the amount, color temperature, and quality (imperfectly indicated by color rendering index, or CRI) of light output. Some ring...
    7 KB (917 words) - 22:21, 29 June 2025
  • Thumbnail for Color
    color rendering index of each light source may affect the color of objects illuminated by these metameric light sources. Similarly, most human color perceptions...
    59 KB (7,053 words) - 01:25, 13 July 2025
  • Thumbnail for Color reproduction
    involves proper color calibration of at least four devices: Lighting, which must have a high color rendering index and not give a color cast to the object...
    3 KB (299 words) - 01:27, 12 March 2024
  • Thumbnail for Electric light
    Luminous efficacy (in lumens per watt) Color temperature (in kelvins) Less common parameters include color rendering index (CRI). Life expectancy for many types...
    40 KB (4,246 words) - 22:35, 15 July 2025
  • Thumbnail for LED lamp
    body spectrum of light similar to sunlight, and so produce high Color rendering index (CRI).[citation needed] Fluorescent lamp produce ultraviolet light...
    79 KB (8,032 words) - 19:49, 17 July 2025
  • have a high faithfulness to an ideal light, as measured by its color rendering index (CRI). This dimension, along lines of constant CCT, is sometimes...
    6 KB (758 words) - 19:46, 25 December 2024
  • Thumbnail for Hydrargyrum medium-arc iodide lamp
    halides in HMI lamps are what emit the light. The high color rendering index (CRI) and color temperature are due to the specific lamp chemistry. In the...
    16 KB (2,437 words) - 20:28, 8 June 2025
  • Thumbnail for Torch
    v t e Lighting Concepts Accent lighting Color rendering index Color temperature Electric light Glare Light fixture Light pollution Hawaii Hong Kong Lightbulb...
    10 KB (1,096 words) - 05:34, 9 June 2025
  • Thumbnail for Sodium-vapor lamp
    have poorer color rendering than other types of lamps. Low-pressure sodium lamps give only monochromatic yellow light, inhibiting color vision at night...
    29 KB (3,231 words) - 20:26, 10 July 2025
  • portal rendering. CLUT A table of RGB color values to be indexed by a lower-bit-depth image (typically 4–8 bits), a form of vector quantization. Color bleeding...
    61 KB (6,469 words) - 11:29, 4 June 2025
  • Thumbnail for Compact fluorescent lamp
    CFLs use three or four phosphors to achieve a "white" light with a color rendering index (CRI) of about 80, where the maximum 100 represents the appearance...
    77 KB (8,198 words) - 00:39, 6 July 2025
  • Thumbnail for High-intensity discharge lamp
    desired characteristics of light intensity, correlated color temperature, color rendering index (CRI), energy efficiency, and lifespan. Varieties of HID...
    18 KB (2,119 words) - 01:05, 10 May 2025
  • Thumbnail for Xenon arc lamp
    continuous spectral power distribution with a color temperature of about 6200K and color rendering index close to 100. However, even in a high pressure...
    17 KB (2,145 words) - 00:29, 21 June 2025
  • Thumbnail for Limelight
    v t e Lighting Concepts Accent lighting Color rendering index Color temperature Electric light Glare Light fixture Light pollution Hawaii Hong Kong Lightbulb...
    6 KB (629 words) - 07:11, 25 February 2025
  • Thumbnail for Incandescent light bulb
    is this sagging that inevitably results in a rupture of the filament, rendering the incandescent lightbulb useless. To improve the efficiency of the lamp...
    107 KB (12,022 words) - 13:54, 17 July 2025
  • canton of Vaud HP roman9, an 8-bit character set with euro sign R9 color rendering index value for saturated red R9: Explosive when mixed with combustible...
    2 KB (272 words) - 01:27, 14 December 2023