I like my colorschemes. The most recent one I discoved is Base2Tone Cave Dark.
So, naturally I wanted to have it in Slack too, so I created a custom theme. Here it is.
Preview#
Installation#
#222021,#1A2B23,#EBBC47,#1A1D21,#936C7A,#EBBC47,#EBBC47,#AD1F51,#222021,#EBBC47
Got to Preferences → Themes and paste the above in the appropriate box.