Closest hex to #12b857 is #1b5

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#1b5

12b857

12b857

contains 1b

01b 11b 1b0 1b1 1b2 1b3 1b4 1b5 1b6 1b7 1b8 1b9 1ba 1bb 1bc 1bd 1be 1bf 21b 31b 41b 51b 61b 71b 81b 91b a1b b1b c1b d1b e1b f1b

contains b5

0b5 1b5 2b5 3b5 4b5 5b5 6b5 7b5 8b5 9b5 ab5 b50 b51 b52 b53 b54 b55 b56 b57 b58 b59 b5a b5b b5c b5d b5e b5f bb5 cb5 db5 eb5 fb5

contains 15

015 115 150 151 152 153 154 155 156 157 158 159 15a 15b 15c 15d 15e 15f 215 315 415 515 615 715 815 915 a15 b15 c15 d15 e15 f15