Closest hex to #fb21e3 is #f2d

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#f2d

fb21e3

fb21e3

contains f2

0f2 1f2 2f2 3f2 4f2 5f2 6f2 7f2 8f2 9f2 af2 bf2 cf2 df2 ef2 f20 f21 f22 f23 f24 f25 f26 f27 f28 f29 f2a f2b f2c f2d f2e f2f ff2

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

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