Closest hex to #01cb3a is #0c3

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#
#0c3

01cb3a

01cb3a

contains 0c

00c 0c0 0c1 0c2 0c3 0c4 0c5 0c6 0c7 0c8 0c9 0ca 0cb 0cc 0cd 0ce 0cf 10c 20c 30c 40c 50c 60c 70c 80c 90c a0c b0c c0c d0c e0c f0c

contains c3

0c3 1c3 2c3 3c3 4c3 5c3 6c3 7c3 8c3 9c3 ac3 bc3 c30 c31 c32 c33 c34 c35 c36 c37 c38 c39 c3a c3b c3c c3d c3e c3f cc3 dc3 ec3 fc3

contains 03

003 030 031 032 033 034 035 036 037 038 039 03a 03b 03c 03d 03e 03f 103 203 303 403 503 603 703 803 903 a03 b03 c03 d03 e03 f03