Closest hex to #18bc68 is #1b6

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#1b6

18bc68

18bc68

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 b6

0b6 1b6 2b6 3b6 4b6 5b6 6b6 7b6 8b6 9b6 ab6 b60 b61 b62 b63 b64 b65 b66 b67 b68 b69 b6a b6b b6c b6d b6e b6f bb6 cb6 db6 eb6 fb6

contains 16

016 116 160 161 162 163 164 165 166 167 168 169 16a 16b 16c 16d 16e 16f 216 316 416 516 616 716 816 916 a16 b16 c16 d16 e16 f16