diff --git a/crates/tek_sequencer/src/arranger.rs b/crates/tek_sequencer/src/arranger.rs
index 5f4a4f27..f170564d 100644
--- a/crates/tek_sequencer/src/arranger.rs
+++ b/crates/tek_sequencer/src/arranger.rs
@@ -278,8 +278,8 @@ impl<E: Engine> Arrangement<E> {
     pub fn randomize_color (&mut self) {
         match self.selected {
             ArrangementFocus::Mix        => {},
-            ArrangementFocus::Track(t)   => { todo!("randomize track color") },
-            ArrangementFocus::Scene(s)   => { todo!("randomize scene color") },
+            ArrangementFocus::Track(t)   => { self.tracks[t].color = random_color() },
+            ArrangementFocus::Scene(s)   => { self.scenes[s].color = random_color() },
             ArrangementFocus::Clip(t, s) => if let Some(phrase) = &self.scenes[s].clips[t] {
                 phrase.write().unwrap().color = random_color();
             }