diff --git a/py/hexagram/dial.py b/py/hexagram/dial.py
index e290e2f..406a99f 100644
--- a/py/hexagram/dial.py
+++ b/py/hexagram/dial.py
@@ -37,7 +37,6 @@ class Dial(Gauge):
         scale = value / self.max_value
         angle = self.min_angle + ((self.max_angle - self.min_angle) * scale) - self.ANGLE_OFFSET
 
-        cr.set_source_rgb(1, 1, 1)
         cr.move_to(self.x + radius * self.radius * math.cos(angle) - 20,
                    self.y + radius * self.radius * math.sin(angle))
 
diff --git a/py/hexagram/tacho.py b/py/hexagram/tacho.py
index 9a751b1..8fe0b91 100644
--- a/py/hexagram/tacho.py
+++ b/py/hexagram/tacho.py
@@ -19,7 +19,6 @@ class Tacho(Dial):
         scale = value / self.max_value
         angle = self.min_angle + ((self.max_angle - self.min_angle) * scale) - Dial.ANGLE_OFFSET
 
-        cr.set_source_rgb(1, 1, 1)
         cr.move_to(self.x + radius * self.radius * math.cos(angle) -  8,
                    self.y + radius * self.radius * math.sin(angle) + 15)
 
@@ -37,4 +36,7 @@ class Tacho(Dial):
         cr.set_source_rgb(1, 1, 1)
 
         for speed in range(0, int(self.max_value)+1, 1000):
+            if speed >= 7000:
+                cr.set_source_rgb(1.0, 0.1, 0.1)
+
             self.draw_number(cr, 0.78, speed, "%d" % int(speed / 1000))