Closest hex to #57b9cf is #5bc

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#
#5bc

57b9cf

57b9cf

contains 5b

05b 15b 25b 35b 45b 55b 5b0 5b1 5b2 5b3 5b4 5b5 5b6 5b7 5b8 5b9 5ba 5bb 5bc 5bd 5be 5bf 65b 75b 85b 95b a5b b5b c5b d5b e5b f5b

contains bc

0bc 1bc 2bc 3bc 4bc 5bc 6bc 7bc 8bc 9bc abc bbc bc0 bc1 bc2 bc3 bc4 bc5 bc6 bc7 bc8 bc9 bca bcb bcc bcd bce bcf cbc dbc ebc fbc

contains 5c

05c 15c 25c 35c 45c 55c 5c0 5c1 5c2 5c3 5c4 5c5 5c6 5c7 5c8 5c9 5ca 5cb 5cc 5cd 5ce 5cf 65c 75c 85c 95c a5c b5c c5c d5c e5c f5c