diff --git a/hello_gradient/src/bin/mardi_gras.rs b/hello_gradient/src/bin/mardi_gras.rs
index 60cbf2f..ecc0208 100644
--- a/hello_gradient/src/bin/mardi_gras.rs
+++ b/hello_gradient/src/bin/mardi_gras.rs
@@ -1,19 +1,17 @@
 #![no_std]
 #![no_main]
 
-use lights::{
-    gamma::correct,
-    rgb::{linear_gradient, Rgb},
-    HardwareRgb, PixelIterator,
-};
+use core::iter::repeat;
+use house::Harrogate;
+use lights::rgb::{linear_gradient, Rgb};
 use lights_hal::{boot, delay, entry};
 
+const OFF: Rgb = Rgb(0, 0, 0);
 const YELLOW: Rgb = Rgb(255, 255, 0);
 const GREEN: Rgb = Rgb(100, 255, 0);
 const PURPLE: Rgb = Rgb(196, 0, 255);
 
 const SEGMENT_LEN: usize = 50;
-const BUFFER_LEN: usize = 300;
 
 #[entry]
 fn main() -> ! {
@@ -25,16 +23,14 @@ fn main() -> ! {
         .chain(linear_gradient(PURPLE, YELLOW, SEGMENT_LEN))
         .cycle();
 
-    let mut buffer = [HardwareRgb(255, 255, 0); BUFFER_LEN];
     loop {
         // blink light to demonstrate loop is still running
         lights.heartbeat();
 
-        for (i, pixel) in gradient.clone().take(BUFFER_LEN).enumerate() {
-            buffer[i] = correct(&pixel);
-        }
-
-        buffer.iter().render_to(&mut lights);
+        Harrogate {
+            porch_back: gradient.clone(),
+            porch_front: repeat(OFF),
+        }.render_to(&mut lights);
 
         gradient.next();
         delay(500_000);