This dark theme uses sunset gradient in header and a background with various geometric patterns. The topic container has minimal colors to highlight the content.
Homepage:
Homepage with composer open:
Full page search:
Let me know how this theme can be further improved. Enjoy! 
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Preview | Preview on theme creator |
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Github Repo | discourse-geometric-theme |
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Install Guide | How to install a theme or theme component |
Lovely theme and thanks for your continuous contribution to Discourse!
Just a little thing I noticed on mobile the topic admin wrench overlays the post actions.
I just pushed a pushed a fix. 
Great! Thanks for the fix
I’ve updated this theme to allow custom background image.
Thank you
Is this similar to Radiant theme?, looks great for dark mode.
Not exactly similar to Radiant theme but it was largely inspired from the Radiant theme with some further additions.
great theme! am i allowed to change the colors? if, how would i do that?
It seems that the display is a little out of whack. After using the theme, the following theme is a little narrow
Almost 2 full years later and the author dipped 
