this post was submitted on 09 Feb 2024
877 points (96.8% liked)
Technology
59377 readers
5739 users here now
This is a most excellent place for technology news and articles.
Our Rules
- Follow the lemmy.world rules.
- Only tech related content.
- Be excellent to each another!
- Mod approved content bots can post up to 10 articles per day.
- Threads asking for personal tech support may be deleted.
- Politics threads may be removed.
- No memes allowed as posts, OK to post as comments.
- Only approved bots from the list below, to ask if your bot can be added please contact us.
- Check for duplicates before posting, duplicates may be removed
Approved Bots
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
This is actually a biological phenomenon that most humans experience! Our eyes are more attuned to greens and blues rather than reds, so green and blue light appear brighter as the cones in our eyes are more sensitive to those colors. Similarly, our cones are less sensitive to red so it appears darker.
There's also a physics component to this as well since red light has about half the energy (twice the wavelength) as blue light. However, since there's a difference in energy, the engineer must take that into account when designing multicolor LED applications so as to keep a level light intensity when changing or blending colors.
Here's an eli5 question with some more info: https://www.reddit.com/r/explainlikeimfive/comments/ghx9g6/eli5_why_does_red_light_seem_darker/?rdt=58820