Options Backgrounds information from Stridey

[MMK21Hub]

Source: https://discord.com/channels/286531622101057537/729383719395262476/1176295807633346691

OPTIONS BACKGROUNDS
~ set light_dirt_background.png to lightness of -75 to match options_backgrounds.png
~ bright highlight on world creation tabs (selected) is +18
~ dark highlight on world creation tabs (selected) is -64

[MMK21Hub]

Someone made a Python implementation of this!

https://github.com/lplawlor/bring-your-own-blocks