Color rendering

color rendering

[¦kəl·ər ′ren·dər·iŋ]
(optics)
For a light source, the extent of the agreement between the perceived color of a surface illuminated by the source and that of the same surface illuminated by a reference source under specified viewing conditions, measured and expressed in terms of the chromaticity coordinates of the source and the luminance of the source in agreed spectral bands.

Color rendering

The effect of a light source on the color of a surface, compared to the same color lit by daylight.
References in periodicals archive ?
Engineered for operators attempting to detect purples, cyans and reds, the EXC-500 utilizes a white LED with a high color rendering index, allowing for color renderings equal to those of halogen lamps.
com)-- Ushio America introduces the new Uphoria[TM] 3 LED PAR lamps in PAR20, PAR30, PAR30LN and PAR38 models with a very high color rendering (90+).
The IES has issued a position statement recognizing that the long-established use of the Color Rendering Index (CRI) has "shortcomings" relative to today's solid-state lighting technologies.
Features include a solid die-cast aluminum body with a heat sink to ensure 25,000 hours of cool operation, a warm white 2700K correlated color temperature, and a color rendering index of 80 for general lighting applications.
Soraa launched the first line of high color rendering LED MR16 GU10 120V line voltage lamps.
The Commission Internationale de l'Eclairage (CIE) introduced the general color rendering index (CRI, Ra ) in 1965.
Achieved both the world's highest level color rendering (CRI >90) and luminance -
Merchandisers are extremely particular about the color rendering and the effectiveness of lighting, and LED lights must follow strict standards for appropriate lighting characteristics in each category.
The light from this fixture has a color temperature of 6000K and a color rendering index of 70, making it well suited for close work applications requiring good color rendering and strong contrast.
Also, his team's technology delivers color rendering up to 90, compared to sunlight's 100.
This compatibility now offers a full spectrum of color rendering formats available only in Photoshop CS2, which surpasses the current version of M-Color CAD plug-in.
Although the human eye finds the rich and warm color rendering of incandescent lighting the most pleasing, incandescent lighting is the least efficient source available.