debug color format

app.py

@@ -18,6 +18,8 @@ def extract_waveform_animation(audio_file, window_seconds=5, waveform_color="blu
     first_window = y[:window_length]
     x_vals = np.linspace(0, duration, num=len(y))
     ax.set_axis_off()
+    print(waveform_color)
+    print(bg_color)
     ax.set_facecolor(waveform_color)
     fig.set_facecolor(bg_color)