Closest hex to #b55b37 is #b53

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#b53

b55b37

b55b37

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 53

053 153 253 353 453 530 531 532 533 534 535 536 537 538 539 53a 53b 53c 53d 53e 53f 553 653 753 853 953 a53 b53 c53 d53 e53 f53

contains b3

0b3 1b3 2b3 3b3 4b3 5b3 6b3 7b3 8b3 9b3 ab3 b30 b31 b32 b33 b34 b35 b36 b37 b38 b39 b3a b3b b3c b3d b3e b3f bb3 cb3 db3 eb3 fb3