Constant nannou::color::named::GREY

pub const GREY: Rgba<f32> = Alpha{color:
          Rgb{red: 211 as f32 / 255.0,
              green: 215 as f32 / 255.0,
              blue: 207 as f32 / 255.0,},
      alpha: 255 as f32 / 255.0,}

Aluminium - Regular - #D3D7CF