warm white lights rule

Solinus 🌿@lemmy.cafe to 196@lemmy.blahaj.zone – 148 points –

(bluer lights are good for workspaces but this meme is more about living areas)

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I do lighting design as a part of my job. I met a vendor marketing a 40,000K fixture at an event I went to a few weeks ago.

That was not a typo. Forty Thousand

Hey that sounds insane. Do you know what the intended application was?

Also, if I can pick your brain a bit, off the top of your head can you suggest an out of the box system for controlling light temperature that doesn't require IOT apps or something? Ideally set on a timer, but manual is fine too.

It was some kind of imitation skylight that claims to make it look like direct sunlight was shining through. Their 3d animation looked up at the light and it looked like the actual sky with the sun in the middle.

As for controllable CCT fixtures, everything I know of is going to be either an IoT app or controlled by a switch on the fixture itself (meaning the fixture would need to be uninstalled, switched, and reinstalled)

IKEA sells bulbs that you can change color temp on by remote. When using the remote you get 3 color temperature settings.

40.000K has it's intensity maximum at about 70nm wavelength, that's X-rays. Enjoy that cancer blast

In the context of commercial lighting fixtures, color temperature refers to the visible portion of the black body curve