Closest hex to #00cb66 is #0c6

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#
#0c6

00cb66

00cb66

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 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 06

006 060 061 062 063 064 065 066 067 068 069 06a 06b 06c 06d 06e 06f 106 206 306 406 506 606 706 806 906 a06 b06 c06 d06 e06 f06