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Challenge involving processing colors. It can be either for graphical output or manipulation on color codes.

0 votes

Better Hex Color Codes for Your Internet

Ruby, 127 bytes c=~/#(.)?(.)?(.)?(.)?(.)?(.)?/ $6?c:'#'+($5?$1+$2+$3+$4+$5*2:$4?$1+$4+$2+$4+$3+$4:$3?$1*2+$2*2+$3*2:$2?($1+$2)*3:$1?$1*6:"0"*6) Try it online!
J-L's user avatar
  • 101
0 votes

Better Hex Color Codes for Your Internet

Ruby, 118 bytes def f c c.sub!'#','' s=c.size t=c[3] s>5?'#'+c:f(s<1?'0':s<2?c*6:s<3?c*3:s<4?c*2:s<5?c[0]+t+c[1]+t+c[2]+t:c+c[-1]) end Try it online!
J-L's user avatar
  • 101