Add RGBA version of as_rgb_hex method

1 files changed, 7 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 098209a..846d154 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -61,7 +61,13 @@ impl Colour {
         [self.red(), self.green(), self.blue(), self.alpha()]
     }
     pub fn as_rgb_hex(&self) -> String {
-        format!("{:02x}{:02x}{:02x}", self.red(), self.green(), self.blue())
+        format!("{:02x}{:02x}{:02x}",
+            self.red(), self.green(), self.blue())
+    }
+
+    pub fn as_rgba_hex(&self) -> String {
+        format!("{:02x}{:02x}{:02x}{:02x}",
+            self.red(), self.green(), self.blue(), self.alpha())
     }
     pub fn red(&self) -> u8 {
         (self.value >> 16) as u8