Closest hex to #b8b22a is #ba2

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#
#ba2

b8b22a

b8b22a

contains ba

0ba 1ba 2ba 3ba 4ba 5ba 6ba 7ba 8ba 9ba aba ba0 ba1 ba2 ba3 ba4 ba5 ba6 ba7 ba8 ba9 baa bab bac bad bae baf bba cba dba eba fba

contains a2

0a2 1a2 2a2 3a2 4a2 5a2 6a2 7a2 8a2 9a2 a20 a21 a22 a23 a24 a25 a26 a27 a28 a29 a2a a2b a2c a2d a2e a2f aa2 ba2 ca2 da2 ea2 fa2

contains b2

0b2 1b2 2b2 3b2 4b2 5b2 6b2 7b2 8b2 9b2 ab2 b20 b21 b22 b23 b24 b25 b26 b27 b28 b29 b2a b2b b2c b2d b2e b2f bb2 cb2 db2 eb2 fb2