RGB颜色透明度

Opacity % 255 Step 2 digit HEX prefix
0% 0.00 00
5% 12.75 0C
10% 25.50 19
15% 38.25 26
20% 51.00 33
25% 63.75 3F
30% 76.50 4C
35% 89.25 59
40% 102.00 66
45% 114.75 72
50% 127.50 7F
55% 140.25 8C
60% 153.00 99
65% 165.75 A5
70% 178.50 B2
75% 191.25 BF
80% 204.00 CC
85% 216.75 D8
90% 229.50 E5
95% 242.25 F2
100% 255.00 FF