from PIL import Image
img = Image.open("D:\pic2\CZA3302.png")
(w,h) = img.size
im=img.convert("RGB")
for i in xrange(w):
for j in xrange(h):
pos=(i,j)
rgb = im.getpixel(pos)
if rgb == (186, 197, 217):
im.putpixel((i,j),(255,255,255))
if rgb == (180, 192, 213):
im.putpixel((i,j),(255,255,255))
if rgb == (168, 183, 207):
im.putpixel((i,j),(255,255,255))
if rgb == (230, 237, 241):
im.putpixel((i,j),(255,255,255))
if rgb == (155, 182, 201):
im.putpixel((i,j),(255,255,255))
if rgb == (216, 227, 235):
im.putpixel((i,j),(255,255,255))
if rgb == (247, 247, 247):
im.putpixel((i,j),(255,255,255))
if rgb == (239, 244, 247):
im.putpixel((i,j),(255,255,255))
if rgb == (238, 241, 245):
im.putpixel((i,j),(255,255,255))
if rgb == (248, 250, 252):
im.putpixel((i,j),(255,255,255))
if rgb == (192, 193, 223):
im.putpixel((i,j),(255,255,255))
if rgb == (174, 187, 210):
im.putpixel((i,j),(255,255,255))
if rgb == (209, 216, 229):
im.putpixel((i,j),(255,255,255))
if rgb == (190, 207, 221):
im.putpixel((i,j),(255,255,255))
if rgb == (156, 183, 203):
im.putpixel((i,j),(255,255,255))
if rgb == (212, 223, 232):
im.putpixel((i,j),(255,255,255))
if rgb == (197, 207, 223):
im.putpixel((i,j),(255,255,255))
if rgb == (222, 222, 239):
im.putpixel((i,j),(255,255,255))
if rgb == (222, 231, 238):
im.putpixel((i,j),(255,255,255))
if rgb == (196, 212, 223):
im.putpixel((i,j),(255,255,255))
if rgb == (233, 240, 246):
im.putpixel((i,j),(255,255,255))
im.save('D:\Python27\6.png')