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SparkFun Electronics will be closed on July 3rd, 2015 in observance of Independence Day. Any orders placed after 2:00pm MT on July 2nd will be shipped out after the weekend. Thanks!

rylos

Member Since: August 2, 2012

Country: United States

  • These are definitely violet, with a good dose of UV thrown in, and not the “purple” you get from a red-blue combination such as with RGB LEDs. I tested a few of these on a breadboard with 5v and a potentiometer, with a few other lights for comparison. At very low intensities these LEDs appear violet to the eye. As the intensity increases with higher current, the color turns pale blue, and does a pretty good job of lighting up various colors of fluorescent paper, which is the UV portion doing its job. See Wikipedia’s color swatches for blue, violet and purple for comparison.

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