nonpremultipled index=0, red=0, green=0, blue=0 index=1, red=219, green=68, blue=67 index=2, red=252, green=242, blue=242 index=3, red=253, green=244, blue=244 index=4, red=254, green=248, blue=248......blue=0, alpha=0 index=1, red=219, green=68, blue=67, alpha=234 index=2...blue=242, alpha=202 index=3, red=253, green=244, blue=244, alpha=205...