nonpremultipled index=0, red=71, green=112, blue=76 index=1, red=249, green=124, blue=36 index=2, red=142, green=157, blue=60 index=3, red=215, green=116, blue=38 index=4, red=70, green=160, blue=7......blue=76, alpha=0 index=1, red=249, green=124, blue=36, alpha=19 index=2...blue=60, alpha=18 index=3, red=215, green=116, blue=38, alpha=12 index=4...