nannou::color::named
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,}
=
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.