If you set colorize to false sublime text will still colorize them.
Gutter color sublime.
To colorize icons the gutter theme file should contain.
If this results in incorrectly colored icons this scope needs to be added to your color scheme.
If you are any sort of front end developer you probably want this right away.
At my jqueryto talk i showed a new sublime text package called guttercolor that allows you to view your css colours in your gutter.
It works with plain css sass stylus or less.
Gutter color is a cross platform sublime text plugin which displays a colored icon for all lines which contain a color.
In this case your icons should be mostly white with shades of gray.