you can make and share schemes, each value can be edited. it should be pretty accurate, it's just missing some values for w9x, those are coming soon. i also wanna re-sort the options a bit, so it's easier to traverse. but for now, tell me what you think.
compatibility wise, it should work with anything from windows 95, to windows 10, provided you can run the classic theme on it.
nothing is obfuscated, use the project in any way you wish. i am not looking for any credit either. do what you want.
i'm emulating the chess pattern by blending two colors together, here (i hope i picked the right colors, i have yet to test scrollbar color). it may be possible to show the chess pattern with CSS, however, it wasn't high priority.