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  • \$\begingroup\$ I think the rgb output should be rgb(0, 0, 0) including the string rgb. \$\endgroup\$ Commented Sep 25, 2018 at 13:07
  • \$\begingroup\$ @nwellnhof Updated (though it ended up shorter to do hexadecimal) \$\endgroup\$ Commented Sep 26, 2018 at 1:26