nonpremultipled index=0, red=0, green=0, blue=0 index=1, red=160, green=195, blue=57 index=2, red=160, green=195, blue=57 index=3, red=253, green=254, blue=251 index=4, red=184, green=210, blue=107......blue=0, alpha=0 index=1, red=160, green=195, blue=57, alpha=237 index=2...blue=57, alpha=54 index=3, red=253, green=254, blue=251, alpha=238...