Add element access to Color

src/color.rs

@@ -18,6 +18,47 @@ pub enum Color {
     Custom(u8, u8, u8),
 }
 
+impl Color {
+    pub fn r(&self) -> u8 {
+        match self {
+            Color::White => 255,
+            Color::Black => 0,
+            Color::Red => 255,
+            Color::Blue => 0,
+            Color::Green => 0,
+            Color::Orange => 255,
+            Color::Yellow => 255,
+            Color::Custom(r, _g, _b) => *r,
+        }
+    }
+
+    pub fn g(&self) -> u8 {
+        match self {
+            Color::White => 255,
+            Color::Black => 0,
+            Color::Red => 0,
+            Color::Blue => 0,
+            Color::Green => 255,
+            Color::Orange => 166,
+            Color::Yellow => 255,
+            Color::Custom(_r, g, _b) => *g,
+        }
+    }
+
+    pub fn b(&self) -> u8 {
+        match self {
+            Color::White => 255,
+            Color::Black => 0,
+            Color::Red => 0,
+            Color::Blue => 255,
+            Color::Green => 0,
+            Color::Orange => 0,
+            Color::Yellow => 0,
+            Color::Custom(_r, _g, b) => *b,
+        }
+    }
+}
+
 impl Into<[f32; 3]> for Color {
     fn into(self) -> [f32; 3] {
         match self {