no, it’s a matter of contrast and readability and matching your ambient lighting. i’m in a warmly lit backlit room. i don’t sit in the dark like an interrupt gremlin
do you use a dark theme in a well lit room? i did for my first year as a dev long ago and got the worst eye fatigue of my life all the time. as soon as i switched to a light theme that matched the room i had zero problems since, that’s my anecdoata