Closest hex to #55cc66 is #5c6

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#5c6

55cc66

55cc66

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

contains c6

0c6 1c6 2c6 3c6 4c6 5c6 6c6 7c6 8c6 9c6 ac6 bc6 c60 c61 c62 c63 c64 c65 c66 c67 c68 c69 c6a c6b c6c c6d c6e c6f cc6 dc6 ec6 fc6

contains 56

056 156 256 356 456 556 560 561 562 563 564 565 566 567 568 569 56a 56b 56c 56d 56e 56f 656 756 856 956 a56 b56 c56 d56 e56 f56