Closest hex to #30e204 is #3d0

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#
#3d0

30e204

30e204

contains 3d

03d 13d 23d 33d 3d0 3d1 3d2 3d3 3d4 3d5 3d6 3d7 3d8 3d9 3da 3db 3dc 3dd 3de 3df 43d 53d 63d 73d 83d 93d a3d b3d c3d d3d e3d f3d

contains d0

0d0 1d0 2d0 3d0 4d0 5d0 6d0 7d0 8d0 9d0 ad0 bd0 cd0 d00 d01 d02 d03 d04 d05 d06 d07 d08 d09 d0a d0b d0c d0d d0e d0f dd0 ed0 fd0

contains 30

030 130 230 300 301 302 303 304 305 306 307 308 309 30a 30b 30c 30d 30e 30f 330 430 530 630 730 830 930 a30 b30 c30 d30 e30 f30