Closest hex to #21e541 is #2d4

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#2d4

21e541

21e541

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 d4

0d4 1d4 2d4 3d4 4d4 5d4 6d4 7d4 8d4 9d4 ad4 bd4 cd4 d40 d41 d42 d43 d44 d45 d46 d47 d48 d49 d4a d4b d4c d4d d4e d4f dd4 ed4 fd4

contains 24

024 124 224 240 241 242 243 244 245 246 247 248 249 24a 24b 24c 24d 24e 24f 324 424 524 624 724 824 924 a24 b24 c24 d24 e24 f24