Constant nannou::color::named::BLACK

pub const BLACK: Rgba<f32> = Alpha{color:
          Rgb{red: 0 as f32 / 255.0,
              green: 0 as f32 / 255.0,
              blue: 0 as f32 / 255.0,},
      alpha: 255 as f32 / 255.0,}

Straight Black.