colour_gets.py

import json
 
import bpy 
from mathutils import Color, Vector
  
current_theme = bpy.context.user_preferences.themes.items()[0][0]  
texed = bpy.context.user_preferences.themes[current_theme].text_editor  
 
theme_options = {
   'space.text',
   'space.back', 
   'cursor', 
   'syntax_builtin', # import, return, for, in..  
   'syntax_comment', 
   'syntax_numbers',  
   'syntax_special', # def, class..  
   'syntax_string',
   'syntax_symbols', # = ()[] . , > < == etc.
   'syntax_reserved',
   'syntax_preprocessor',
   'line_numbers_background',
   'selected_text'
}
 
theme_dict = {}
for opt in theme_options:
    if '.' in opt:
        # assume only one dot.
        prime, subprime = opt.split('.')
        val = getattr(getattr(texed,  prime), subprime)
    else:
        val = getattr(texed, opt)
    
    # cant round a colour, convert to vector first.
    regular_vec = Vector(val[:])
    
    # rounds the value after 7th decimal 
    theme_dict[opt] = regular_vec.to_tuple(7)  
 
m = json.dumps(theme_dict, sort_keys=True, indent=2)

for key, val in theme_dict.items():
    print('texed.{0} = {1}'.format(key, val))