Is there some documentation somewhere about what the colors "label" are used for ? I would be interested to make the app look like the theme I use in my gvim I use for development.
Slate (LIGHT)
25: Central window background
50: Global background
100: instance, background hover left bar, pictures background
200: outlines
300: buttons bottom outline
400: ???
500: instance
600: sidebars text color, OP username, post date, reply button
700: ???
800: ???
900: titles, comments, upvote/downvote buttons
950: ???
Zinc (DARK)
50: ???
100: titles, comments
200: upvote/downvote buttons, settings comments
300: post text
400: sidebars text color
500: user instance
600: theme buttons outline (?)
700: button top outline
800: outlines, background hover left bar
900: Buttons, instance, cards background
925: Central window background
950: Global background
Primary
100 Main UI accent color - DARK
900 Main UI accent color - LIGHT
Other
Black: ??? Seems to always be black
White: card background - LIGHT
Very nice feature this theming :) And your example theme is also very nice, in general I always use dark themes but the Photon default one was too dark for me (maybe this could become the default of many users other than me prefer it).