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I did a custom combination of yellow outer field, blue inner circle, and got a vibrant purple halo, which is not what I expected. I assumed it would be "yellow

I did a custom combination of yellow outer field, blue inner circle, and got a vibrant purple halo, which is not what I expected. I assumed it would be "yellow++", based on what I know about the human eye's colour sensitivity. I didn't expect a strong effect, because the overlap between blue and red/green is so much less than the overlap between red and green, but bright purple is close to the opposite of what I expected. I'm genuinely puzzled.

dreijs 1y ago
That is interesting - I tried the setup you suggested and actually did see something that could be described as yellow++, with maybe a hint of gold/orange It was also very intense, like staring into the sun. I observed this for both of the two default yellow tints that I could choose via the (Windows?) color picker I have no idea why this would differ between individuals Edit: link below with FFFF00 for yellow https://dynomight.net/img/colors/generate.html?inside=0000ff&outside=ffff00&size=400&countdown=60&shrink=30&mode=shrink https://dynomight.net/img/colors/generate.html?inside=0000ff...
- blincoln 1y ago
  Thank you. I retried it first thing in the morning, in the dark, with my phone screen at minimum brightness, and no contact lenses in, and I got the expected result - vivid gold for my original setting, vivid yellow for yours. After putting my contacts in, under medium ambient light, with my phone screen at medium or full brightness, I get the purple ring, but now that I'm looking for it, I can see an outer ring of gold or yellow as well. The effects is much less pronounced if I put on my reading glasses (while still wearing contacts), so I think it must be an artifact of the contact lenses, probably in combination with the conditions they're supposed to correct (nearsightedness + astigmatism), as well as age-related inability to focus on tiny details with my contacts in.
riknos314 1y ago
Can you share settings and/or a link so an exported SVG?
- blincoln 1y ago
  https://dynomight.net/img/colors/generate.html?inside=0000ff&outside=ffcb13&size=400&countdown=60&shrink=30&mode=shrink https://dynomight.net/img/colors/generate.html?inside=0000ff... is the one I was using. https://dynomight.net/img/colors/generate.html?inside=0000ff&outside=ffff00&size=400&countdown=60&shrink=30&mode=shrink https://dynomight.net/img/colors/generate.html?inside=0000ff... was suggested by another commenter. But as I mentioned in a parallel thread, I think the effect is caused by an imperfect optical path. Without my contacts in, there's no purple ring.

dreijs 1y ago

That is interesting - I tried the setup you suggested and actually did see something that could be described as yellow++, with maybe a hint of gold/orange It was also very intense, like staring into the sun. I observed this for both of the two default yellow tints that I could choose via the (Windows?) color picker I have no idea why this would differ between individuals Edit: link below with FFFF00 for yellow https://dynomight.net/img/colors/generate.html?inside=0000ff&outside=ffff00&size=400&countdown=60&shrink=30&mode=shrink https://dynomight.net/img/colors/generate.html?inside=0000ff...

blincoln 1y ago
Thank you. I retried it first thing in the morning, in the dark, with my phone screen at minimum brightness, and no contact lenses in, and I got the expected result - vivid gold for my original setting, vivid yellow for yours. After putting my contacts in, under medium ambient light, with my phone screen at medium or full brightness, I get the purple ring, but now that I'm looking for it, I can see an outer ring of gold or yellow as well. The effects is much less pronounced if I put on my reading glasses (while still wearing contacts), so I think it must be an artifact of the contact lenses, probably in combination with the conditions they're supposed to correct (nearsightedness + astigmatism), as well as age-related inability to focus on tiny details with my contacts in.

riknos314 1y ago

Can you share settings and/or a link so an exported SVG?

blincoln 1y ago
https://dynomight.net/img/colors/generate.html?inside=0000ff&outside=ffcb13&size=400&countdown=60&shrink=30&mode=shrink https://dynomight.net/img/colors/generate.html?inside=0000ff... is the one I was using. https://dynomight.net/img/colors/generate.html?inside=0000ff&outside=ffff00&size=400&countdown=60&shrink=30&mode=shrink https://dynomight.net/img/colors/generate.html?inside=0000ff... was suggested by another commenter. But as I mentioned in a parallel thread, I think the effect is caused by an imperfect optical path. Without my contacts in, there's no purple ring.