Colorchallenge with LEDmichael-labella (37)in #colorchallenge • 8 years ago Hi everybody, just wanted to squeeze that in. Why not having a color challenge at home or in the office? :) Here are some interesting features from artificial light engines (LED) TUNABLE WHITE: RGB and RGBW: GRAYSCALE: WARM DIMMING: #led #light #color #upvote