diff --git a/hui/src/color.rs b/hui/src/color.rs
index 0511945..0248b7d 100644
--- a/hui/src/color.rs
+++ b/hui/src/color.rs
@@ -1,75 +1,101 @@
+//! various predefined color constants
+
use glam::{vec4, Vec4};
/// Transparent `#00000000`
+///
pub const TRANSPARENT: Vec4 = vec4(0.0, 0.0, 0.0, 0.0);
/// Black `#000000`
+///
pub const BLACK: Vec4 = vec4(0.0, 0.0, 0.0, 1.0);
/// White `#ffffff`
+///
pub const WHITE: Vec4 = vec4(1.0, 1.0, 1.0, 1.0);
/// Red `#ff0000`
+///
pub const RED: Vec4 = vec4(1.0, 0.0, 0.0, 1.0);
/// Dark red `#800000`
+///
pub const DARK_RED: Vec4 = vec4(0.5, 0.0, 0.0, 1.0);
/// Green `#00ff00`
+///
pub const GREEN: Vec4 = vec4(0.0, 1.0, 0.0, 1.0);
/// Dark green `#008000`
+///
pub const DARK_GREEN: Vec4 = vec4(0.0, 0.5, 0.0, 1.0);
/// Blue `#0000ff`
+///
pub const BLUE: Vec4 = vec4(0.0, 0.0, 1.0, 1.0);
/// Dark blue `#000080`
+///
pub const DARK_BLUE: Vec4 = vec4(0.0, 0.0, 0.5, 1.0);
/// Yellow `#ffff00`
+///
pub const YELLOW: Vec4 = vec4(1.0, 1.0, 0.0, 1.0);
/// Cyan `#00ffff`
+///
pub const CYAN: Vec4 = vec4(0.0, 1.0, 1.0, 1.0);
/// Magenta `#ff00ff`
+///
pub const MAGENTA: Vec4 = vec4(1.0, 0.0, 1.0, 1.0);
/// Gray `#808080`
+///
pub const GRAY: Vec4 = vec4(0.5, 0.5, 0.5, 1.0);
/// Light gray `#c0c0c0`
+///
pub const LIGHT_GRAY: Vec4 = vec4(0.75, 0.75, 0.75, 1.0);
/// Dark gray `#404040`
+///
pub const DARK_GRAY: Vec4 = vec4(0.25, 0.25, 0.25, 1.0);
/// Orange `#ff8000`
+///
pub const ORANGE: Vec4 = vec4(1.0, 0.5, 0.0, 1.0);
/// Brown `#804000`
+///
pub const BROWN: Vec4 = vec4(0.5, 0.25, 0.0, 1.0);
/// Pink `#ff80ff`
+///
pub const PINK: Vec4 = vec4(1.0, 0.5, 1.0, 1.0);
/// Purple `#800080`
+///
pub const PURPLE: Vec4 = vec4(0.5, 0.0, 0.5, 1.0);
/// Lime `#80ff00`
+///
pub const LIME: Vec4 = vec4(0.5, 1.0, 0.0, 1.0);
/// Teal `#008080`
+///
pub const TEAL: Vec4 = vec4(0.0, 0.5, 0.5, 1.0);
/// Indigo `#004080`
+///
pub const INDIGO: Vec4 = vec4(0.0, 0.25, 0.5, 1.0);
/// Olive `#808000`
+///
pub const OLIVE: Vec4 = vec4(0.5, 0.5, 0.0, 1.0);
/// Sky blue `#87ceeb`
+///
pub const SKY_BLUE: Vec4 = vec4(0.53, 0.81, 0.92, 1.0);
//TODO color macro