0 % = 00， 透明。 100%=FF 不透明。
1%＝02 2%＝05 3%＝07 4%＝0A 5%=0c 6%=0F 7%=11 8%=14 9%=16 10%=19
11%＝1C 12%＝1E 13%＝21 14%＝23 15%=26 16%=28 17%=2B 18%=2D 19%=30 20%=33
21%＝35 22%＝38 23%＝31 24%＝3D 25%=3F 26%=42 27%=44 28%=47 29%=49 30%=4C
31%＝4F 32%＝51 33%＝54 34%＝56 35%=59 36%=5B 37%=5E 38%=60 39%=63 40%=66
41%＝68 42%＝6B 43%＝6D 44%＝70 45%=72 46%=75 47%=77 48%=7A 49%=7C 50%=7F
51%＝82 52%＝84 53%＝87 54%＝89 55%=8C 56%=8E 57%=91 58%=93 59%=96 60%=99
61%＝9B 62%＝9E 63%＝A0 64%＝A3 65%=A5 66%=A8 67%=AA 68%=AD 69%=AF 70%=B2
71%＝B5 72%＝B7 73%＝BA 74%＝BC 75%=BF 76%=C1 77%=C4 78%=C6 79%=C9 80%=CC
81%＝CE 82%＝D1 83%＝D3 84%＝D6 85%=D8 86%=DB 87%=DD 88%=E0 89%=E2 90%=E5
91%＝E8 92%＝EA 93%＝ED 94%＝EF 95%=F2 96%=F4 97%=F7 98%=F9 99%=FC 100%=FF