closest color to a list of colors in json format

closestcolor.py

#!/usr/bin/python

import json

target = "f6efe8"

# kelly more
# curl 'http://kellymoore.com/mycolorstudio-color-palette/data/colors.json' -o colors.json

# behr
# http://www.behr.com/consumer/colors/paint copy(JSON.stringify(window.colorData))
# pbpaste > colors.json

cols = json.load(open("colors.json"))

closest = None
lowest = 3000

def ComponentDiff(a, b):
  return abs(int(a, 16) - int(b, 16))

def ColorDiff(col):
  return (ComponentDiff(col[0:2], target[0:2]) +
  	 ComponentDiff(col[2:4], target[2:4]) +
	 ComponentDiff(col[4:6], target[4:6]))

for col in cols:
  # hex = col['hex'][1:] # kelly more
  hex = col[14][1:] # behr

  diff = ColorDiff(hex)
  if diff < lowest:
    lowest = diff
    closest = col

print lowest, closest