Closest hex to #81d7be is #8db

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#
#8db

81d7be

81d7be

contains 8d

08d 18d 28d 38d 48d 58d 68d 78d 88d 8d0 8d1 8d2 8d3 8d4 8d5 8d6 8d7 8d8 8d9 8da 8db 8dc 8dd 8de 8df 98d a8d b8d c8d d8d e8d f8d

contains db

0db 1db 2db 3db 4db 5db 6db 7db 8db 9db adb bdb cdb db0 db1 db2 db3 db4 db5 db6 db7 db8 db9 dba dbb dbc dbd dbe dbf ddb edb fdb

contains 8b

08b 18b 28b 38b 48b 58b 68b 78b 88b 8b0 8b1 8b2 8b3 8b4 8b5 8b6 8b7 8b8 8b9 8ba 8bb 8bc 8bd 8be 8bf 98b a8b b8b c8b d8b e8b f8b