Closest hex to #c7bb15 is #cb1

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#
#cb1

c7bb15

c7bb15

contains cb

0cb 1cb 2cb 3cb 4cb 5cb 6cb 7cb 8cb 9cb acb bcb cb0 cb1 cb2 cb3 cb4 cb5 cb6 cb7 cb8 cb9 cba cbb cbc cbd cbe cbf ccb dcb ecb fcb

contains b1

0b1 1b1 2b1 3b1 4b1 5b1 6b1 7b1 8b1 9b1 ab1 b10 b11 b12 b13 b14 b15 b16 b17 b18 b19 b1a b1b b1c b1d b1e b1f bb1 cb1 db1 eb1 fb1

contains c1

0c1 1c1 2c1 3c1 4c1 5c1 6c1 7c1 8c1 9c1 ac1 bc1 c10 c11 c12 c13 c14 c15 c16 c17 c18 c19 c1a c1b c1c c1d c1e c1f cc1 dc1 ec1 fc1