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  2. Color temperature - Wikipedia

    en.wikipedia.org/wiki/Color_temperature

    Color temperature is a parameter describing the color of a visible light source by comparing it to the color of light emitted by an idealized opaque, non-reflective body. The temperature of the ideal emitter that matches the color most closely is defined as the color temperature of the original visible light source.

  3. RGB color model - Wikipedia

    en.wikipedia.org/wiki/RGB_color_model

    Initially, the limited color depth of most video hardware led to a limited color palette of 216 RGB colors, defined by the Netscape Color Cube. The web-safe color palette consists of the 216 (6 3 ) combinations of red, green, and blue where each color can take one of six values (in hexadecimal ): #00, #33, #66, #99, #CC or #FF (based on the 0 ...

  4. LED street light - Wikipedia

    en.wikipedia.org/wiki/LED_street_light

    An LED street light or road light is an ... Many people dislike the ambiance produced by LEDs with color temperatures of 4000K or higher. 2700K and 3000K LEDs are ...

  5. Standard illuminant - Wikipedia

    en.wikipedia.org/wiki/Standard_illuminant

    [D65] is intended to represent average daylight and has a correlated colour temperature of approximately 6500 K. CIE standard illuminant D65 should be used in all colorimetric calculations requiring representative daylight, unless there are specific reasons for using a different illuminant.

  6. High-CRI LED lighting - Wikipedia

    en.wikipedia.org/wiki/High-CRI_LED_lighting

    The left LED lamp has a CRI of 80, while the right one 92. An incandescent light bulb has a CRI of 100. [1]High-CRI LED lighting is a light-emitting diode (LED) lighting source that offers a high color rendering index (CRI).

  7. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    Doing so retains the extremely tunable color of RGB LED, but allows color rendering and efficiency to be optimized when a color close to white is selected. [ 36 ] Some phosphor white LED units are "tunable white", blending two extremes of color temperatures (commonly 2700K and 6500K) to produce intermediate values.

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