chart
generates charts with default colors.
#
# You can use the :color
option to manually set the color.
#
filename = File.basename(__FILE__).gsub('.rb', '.pdf')
Prawn::ManualBuilder::Example.generate(filename) do
data = {views: {2013 => 18.2, 2014 => 4.6, 2015 => 10.2}}
chart data, color: '6f3d79'
end