gitk dark theme

gitk

set mainfont {{Open Sans} 10}
set textfont {Consolas 9}
set uifont {Tahoma 9 bold}
set tabstop 8
set findmergefiles 0
set maxgraphpct 50
set maxwidth 16
set cmitmode patch
set wrapcomment none
set autoselect 1
set autosellen 40
set showneartags 1
set maxrefs 20
set visiblerefs {"master"}
set hideremotes 0
set showlocalchanges 1
set datetimeformat {%Y-%m-%d %H:%M:%S}
set limitdiffs 1
set uicolor #232323
set want_ttk 1
set bgcolor #292929
set fgcolor #a8a8a8
set uifgcolor SystemButtonText
set uifgdisabledcolor SystemDisabledText
set colors {green red #005f82 magenta darkgrey brown orange}
set diffcolors {{#ff5353} #86c80d #2db0ff}
set mergecolors {red #005f82 green purple brown "#009090" magenta "#808000" "#009000" "#ff0080" cyan "#b07070" "#70b0f0" "#70f0b0" "#f0b070" "#ff70b0"}
set markbgcolor #e0e0ff
set diffcontext 3
set selectbgcolor #004175
set foundbgcolor yellow
set currentsearchhitbgcolor orange
set extdifftool meld
set perfile_attrs 0
set headbgcolor #4c9300
set headfgcolor #EFEFEF
set headoutlinecolor white
set remotebgcolor #820000
set tagbgcolor yellow
set tagfgcolor black
set tagoutlinecolor black
set reflinecolor black
set filesepbgcolor #aaaaaa
set filesepfgcolor black
set linehoverbgcolor #ffff80
set linehoverfgcolor black
set linehoveroutlinecolor black
set mainheadcirclecolor yellow
set workingfilescirclecolor red
set indexcirclecolor green
set circlecolors {white #005f82 gray #005f82 #005f82}
set linkfgcolor #dedede
set circleoutlinecolor SystemWindowText
set geometry(main) 1920x1096+0+45
set geometry(state) normal
set geometry(topwidth) 1920
set geometry(topheight) 442
set geometry(pwsash0) "630 1"
set geometry(pwsash1) "1056 1"
set geometry(botwidth) 1418
set geometry(botheight) 649
set permviews {}

Not sure if you'll like it but there is now an official Dracula dark theme for gitk: https://github.com/dracula/gitk

Contributions welcome!