Closest hex to #72fe89 is #7f8

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#
#7f8

72fe89

72fe89

contains 7f

07f 17f 27f 37f 47f 57f 67f 77f 7f0 7f1 7f2 7f3 7f4 7f5 7f6 7f7 7f8 7f9 7fa 7fb 7fc 7fd 7fe 7ff 87f 97f a7f b7f c7f d7f e7f f7f

contains f8

0f8 1f8 2f8 3f8 4f8 5f8 6f8 7f8 8f8 9f8 af8 bf8 cf8 df8 ef8 f80 f81 f82 f83 f84 f85 f86 f87 f88 f89 f8a f8b f8c f8d f8e f8f ff8

contains 78

078 178 278 378 478 578 678 778 780 781 782 783 784 785 786 787 788 789 78a 78b 78c 78d 78e 78f 878 978 a78 b78 c78 d78 e78 f78