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Color syntax

The attributes that have colors as values can use the following syntax:

Static colors
  • rect
  • blue
  • green
  • yellow
  • black (default for color attribute)
  • gray
  • white (default for background attribute)
  • orange
  • transparent
rgb() / hsl()
  • With RGB: rgb(150, 60, 20)
  • With RGB and alpha: rgb(150, 60, 20, 0.7)
    • You can also use 0-255 for the alpha: rgb(150, 60, 20, 70)
  • With HSL: hsl(28deg, 80%, 50%)
  • With HSL and alpha: hsl(28deg, 80%, 50%, 25%)