I'm developing a website and I'm thinking about the background color saturation and brightness. I've read that too saturated and bright colors would strain the eye if not immediately after a while.
In this example https://www.dtelepathy.com/ it is clear on first impression that the website is too intense on the eye.
But what about this website https://www.reech.com/fr/ ?Although the brightness is low, saturation at its max. Do you think it would strain the eye after a while?
What would be the maximum combination of brightness and saturation that one could reach before the background color begins to strain the eye?