--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Mix the RGB hue with Black so that the RGB hue is the specified percentage of the resulting colour. Strictly speaking, this isn't a darken_by operation.
full_name: Color::RGB#darken_by
is_singleton: false
name: darken_by
params: (percent)
visibility: public
