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    \$\begingroup\$ Great first post! Welcome to the site! \$\endgroup\$ Commented Jun 3, 2017 at 18:53
  • \$\begingroup\$ I don't believe this has any chance of displaying any colors with a channel set at 255, such as red, green, blue, or white. I think you have to multiply by 256 instead. \$\endgroup\$ Commented Feb 7, 2019 at 23:21