Requested feature overview description.
Neutral or mostly neutral optional light-mode theme for e621.
Why would it be useful?
Light mode can help create an invigorating environment that some individuals really like. It can also improve readability for individuals with astigmatism. While the Serpent and Hotdog themes may count as light mode themes, they might not be liked as a daily driver by most individuals.
What part(s) of the site page(s) are affected?
The whole site, but only if the user selects it in the themes menu.