pub mod colors {
use fltk::enums::Color;
pub const SEL_BLUE: Color = Color::from_hex(0x1a56b7);
pub const GREEN: Color = Color::from_rgb(0, 155, 68);
pub const RED: Color = Color::from_hex(0xf44336);
pub const SLIDER_PURPLE: Color = Color::from_u32(0x868db1);
}