rgb opacity code example

Example 1: background color css rgb

body {
  background-color: rgb(255,255,255);
}

Example 2: rgba red color

rgb(255,0,0)  /*red*/  Hex  #FF0000

Example 3: background color cs rgba

#p1 {background-color:rgba(255,0,0,0.3);}

Example 4: opacity argb

100% — FF
95% — F2
90% — E6
85% — D9
80% — CC
75% — BF
70% — B3
65% — A6
60% — 99
55% — 8C
50% — 80
45% — 73
40% — 66
35% — 59
30% — 4D
25% — 40
20% — 33
15% — 26
10% — 1A
5% — 0D
0% — 00