Closest hex to #5588aa is #58a

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#58a

5588aa

5588aa

contains 58

058 158 258 358 458 558 580 581 582 583 584 585 586 587 588 589 58a 58b 58c 58d 58e 58f 658 758 858 958 a58 b58 c58 d58 e58 f58

contains 8a

08a 18a 28a 38a 48a 58a 68a 78a 88a 8a0 8a1 8a2 8a3 8a4 8a5 8a6 8a7 8a8 8a9 8aa 8ab 8ac 8ad 8ae 8af 98a a8a b8a c8a d8a e8a f8a

contains 5a

05a 15a 25a 35a 45a 55a 5a0 5a1 5a2 5a3 5a4 5a5 5a6 5a7 5a8 5a9 5aa 5ab 5ac 5ad 5ae 5af 65a 75a 85a 95a a5a b5a c5a d5a e5a f5a