Closest hex to #00b581 is #0b8

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#0b8

00b581

00b581

contains 0b

00b 0b0 0b1 0b2 0b3 0b4 0b5 0b6 0b7 0b8 0b9 0ba 0bb 0bc 0bd 0be 0bf 10b 20b 30b 40b 50b 60b 70b 80b 90b a0b b0b c0b d0b e0b f0b

contains b8

0b8 1b8 2b8 3b8 4b8 5b8 6b8 7b8 8b8 9b8 ab8 b80 b81 b82 b83 b84 b85 b86 b87 b88 b89 b8a b8b b8c b8d b8e b8f bb8 cb8 db8 eb8 fb8

contains 08

008 080 081 082 083 084 085 086 087 088 089 08a 08b 08c 08d 08e 08f 108 208 308 408 508 608 708 808 908 a08 b08 c08 d08 e08 f08