I thought everyone knew this but clicked to verify:

Light Green: Used on walls to reduce visual fatigue

It’s the “default” color our brains like and zones out about. So it makes the emergency “look at me” colors stand out even more.

It’s like the analog version of “blue light filters” on digital screens.

Actual white reflects too much light and becomes drastically.

I wonder if this is why XP had that grassy field background. Mix the blue sky and green grass together and it’s just about the same seafoam color.

Probably even earlier why win 95 loved that #008080 rgb: