$ gitk
Error in startup script: unknown color name "greeen"
(processing "-fore" option)
invoked from within
"$ctext tag conf m2 -fore [lindex $mergecolors 2]"
(procedure "makewindow" line 347)
invoked from within
"makewindow"
(file "/usr/local/bin/gitk" line 12434)
open /usr/local/git/bin/gitk file in any text editor
search 'lime' keyword in file
replace 'lime' to 'green' with all in file
save file changes
try again gitk then it works