The value of rgb is 16 times the first digit of HEX plus the second digit of HEX. The RGB and HEX of the number 10 are the same. The difference is that HEX is a two-digit number, and 0 can be added in front. 10 Corresponding to A, 11 corresponds to B, 12 corresponds to C, 13 corresponds to D, 14 corresponds to E, and 15 corresponds to F. The following illustrates the conversion method of RGB to HEX by way of example.
Example 1: rgb(11,111,222)=#??????
11 ÷ 16 = 0, the remaining 11 corresponds to B, then the data of Hex is 0b.
111 ÷ 16 = 6, 15 corresponds to F, then the data of Hex is 6F.
222 ÷ 16 = 13, 14, 13, D, 14, e, then the data of Hex is DE.
Put together HEX data is #0B6FDE
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