Closest hex to #23c0e3 is #2bd

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#2bd

23c0e3

23c0e3

contains 2b

02b 12b 22b 2b0 2b1 2b2 2b3 2b4 2b5 2b6 2b7 2b8 2b9 2ba 2bb 2bc 2bd 2be 2bf 32b 42b 52b 62b 72b 82b 92b a2b b2b c2b d2b e2b f2b

contains bd

0bd 1bd 2bd 3bd 4bd 5bd 6bd 7bd 8bd 9bd abd bbd bd0 bd1 bd2 bd3 bd4 bd5 bd6 bd7 bd8 bd9 bda bdb bdc bdd bde bdf cbd dbd ebd fbd

contains 2d

02d 12d 22d 2d0 2d1 2d2 2d3 2d4 2d5 2d6 2d7 2d8 2d9 2da 2db 2dc 2dd 2de 2df 32d 42d 52d 62d 72d 82d 92d a2d b2d c2d d2d e2d f2d