Is there a sufficiently reliable way to get an acceptable measure of the actual colour temperature of the the light generated by an LED bulb, using generic hardware and/or software? Maybe there's an ...

Q: Just as I understand the concept of color temperature (Kelvin), now CRI is being bandied about as LEDs come into the market. What is it exactly? A: I am right there with you. From the beginning of ...

As the world transitions away from ordinary incandescent lighting and toward more energy-efficient light sources, the topic of light-source color temperature has suddenly become more important.

The distinct vibrant palettes across Wes Anderson’s oeuvre, from “The Royal Tenenbaums” to “Moonrise Kingdom.” The sinister reds used in “Mandy.” The icy blues in “The Dark Knight.” The pink-purple ...