For the most natural-looking light, look for a higher Color Rendering Index (CRI), between 85 and 100. Energy efficiency: If you're using a lamp all day, an energy-efficient model can help save you money. Luckily, most of today's best desk lamps use LED bulbs, which consume less energy and last significantly longer than incandescent bulbs. 9W 120V A19 E26 2700K Clear LED Bulb. By Bulbrite. $1699. Compare. 5W 120V G25 E26 Nostalgic LED Bulb. By Bulbrite. $1799. Compare. 4W 120V G16 E12 White 3000K LED Bulb. BBOUNDER 5000K LED Utility Shop Lights. You can mount these four-foot LED shop lights flush to the ceiling, with anchors and screws, or suspended from chains, with the included ceiling hooks. That An LED’s CRI is calculated by measuring its CRI ratings for individual colors and then averaging them out, but it’s only a measurement of colors R1 – R8. This measured average fails to take into account R9 (red) and R13 (skin tone) colors, among others. LED light sources with high R9 and R13 values, in addition to a high CRI (for R1 A full spectrum is important for the proper rendition of skin tones, as well as colors. CRI (Color Rendering Index) was adopted from architecture and provides a rough guide as to how well a light source will render colors. The higher CRI rating, the more accurately a light source will render colors. Daylight and tungsten are both 100 CRI. Dimmable: 10-100% (compatible with most LED rated dimmer switches) 90 CRI ensures accurate color temperature; ENERGY STAR certified for energy conservation and savings; Beam angle: 120° California Energy Commission title 20 compliant LED light bulb; Click here for more exclusive Ecosmart products Using a numerical scale from 1 to 100, CRI evaluates the color rendition and color accuracy of objects under different lights compared to how those objects would look under incandescent lights or natural sunlight. The higher the numerical value of CRI, the better the light fixture or bulb’s color rendition. In general, bulbs at the higher end The only low-cost LED that beats it in efficiency is the Philips 60W Replacement LED, which also costs $5. That bulb puts out 821 lumens from a power draw of 8.5 watts, giving you nearly 100 The model was dated September 2019 or something according to the price tag. Noticed all the Philips LED bulbs advertise CRI 90+ now. That seems logical as California is a huge market and they have laws saying LED bulbs need to be CRI 90 or higher— Philips must not have liked being kicked out of the Californian market in favour of Cree and LED luminaires are allowed continuous dimming from 10% to 100%, while track lighting systems under 20 watts must have a minimum of one step between 30% and 70%. High-intensity discharge lighting, most often used outdoors, requires at least one step between 50% and 70%. The various dimming options discourage businesses from operating at maximum vheBr.