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Old December 25th, 2015, 09:38 PM   #13
Stephen Pendleton
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Default Color Rendering Index

For textiles, prefer LEDs with a high color rendering index (CRI), which is a measure of the color accuracy of the light. Some of the better LEDs have a CRI in the low- to mid-90s, which is good enough to see color nuance through the full visible spectrum (especially deep reds, important for textiles and deficient/inaccurate in many light sources). Cheaper general-purpose LEDs are usually around CRI 80, good enough for utility lighting but not for color sensitive applications. FWIW Compact florescents are often in the 70s and almost totally deficient in deep reds.

Also, textile lighting might easily benefit from installing a dimmer switch, so that you adjust the lighting. Most of the better LEDs are dimmable. Lowest-cost bulbs often aren't.

Steve Pendleton
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