Closest hex to #f72b1b is #f32

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#f32

f72b1b

f72b1b

contains f3

0f3 1f3 2f3 3f3 4f3 5f3 6f3 7f3 8f3 9f3 af3 bf3 cf3 df3 ef3 f30 f31 f32 f33 f34 f35 f36 f37 f38 f39 f3a f3b f3c f3d f3e f3f ff3

contains 32

032 132 232 320 321 322 323 324 325 326 327 328 329 32a 32b 32c 32d 32e 32f 332 432 532 632 732 832 932 a32 b32 c32 d32 e32 f32

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