The title is my own because as far as I can tell the artist does not title the comics. For those who don’t know the comic is mostly a comic diary and the characters are her actual family. It does have some political ones with fictional third parties being interacted with (maybe based on some experience) but this one is about the day to day. Their is hover commentary at the site.
Presumably she’s not allowed because she should know by that age that the sun is always white. It’s just how it appears filtered through the atmosphere. Until she learns this, the playground is off-limits.