Closest hex to #5aff37 is #5f3

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#5f3

5aff37

5aff37

contains 5f

05f 15f 25f 35f 45f 55f 5f0 5f1 5f2 5f3 5f4 5f5 5f6 5f7 5f8 5f9 5fa 5fb 5fc 5fd 5fe 5ff 65f 75f 85f 95f a5f b5f c5f d5f e5f f5f

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 53

053 153 253 353 453 530 531 532 533 534 535 536 537 538 539 53a 53b 53c 53d 53e 53f 553 653 753 853 953 a53 b53 c53 d53 e53 f53