Closest hex to #22ffdd is #2fd

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#2fd

22ffdd

22ffdd

contains 2f

02f 12f 22f 2f0 2f1 2f2 2f3 2f4 2f5 2f6 2f7 2f8 2f9 2fa 2fb 2fc 2fd 2fe 2ff 32f 42f 52f 62f 72f 82f 92f a2f b2f c2f d2f e2f f2f

contains fd

0fd 1fd 2fd 3fd 4fd 5fd 6fd 7fd 8fd 9fd afd bfd cfd dfd efd fd0 fd1 fd2 fd3 fd4 fd5 fd6 fd7 fd8 fd9 fda fdb fdc fdd fde fdf ffd

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