Could it be that the light from your windows is hitting the walls differently now? I've seen paint look totally off in morning sun versus evening lamps. Maybe you used a paint that needs to dry fully and it's still curing. Some paints shift color as they dry, especially if the base wasn't mixed right. Also, did you check for any leftover primer or old paint showing through? Sometimes layers underneath can bleed if the new coat is too thin.

Third error? That's when I usually start considering if the problem is even worth solving. Honestly the more something fights me the better it feels when it finally works. It's like the computer owes you one after all that. I'd be worried if everything just worked on the first try.

Shortcuts fuel creativity.

Ever have that problem where the starter separates and looks like a weird science experiment? Mine did the same thing, went all watery on top. Had to mess with the water to flour ratio a bit to fix it. Honestly, every starter has its own weird personality. What works for one person just makes a sticky mess for someone else.