htmlize-get-color-rgb-hash

htmlize-get-color-rgb-hash is a Lisp function in `htmlize.el'.

(htmlize-get-color-rgb-hash &optional RGB-FILE)

Return a hash table mapping X color names to RGB values.
The keys in the hash table are X11 color names, and the values are the
#rrggbb RGB specifications, extracted from `rgb.txt'.

If RGB-FILE is nil, the function will try hard to find a suitable file
in the system directories.

If no rgb.txt file is found, return nil.