Some calibration on the RGB night light settings.

color_night_light.h

@@ -11,14 +11,15 @@ public:
     bool set_light_color_values(light::LightColorValues v) {
         // This class can handle the GPIO outputs for the night light mode.
         //
-        // At the lowest brightness setting, switch to night light mode.
-        // In the Yeelight integration in Home Assistant, this feature is
-        // exposed trough a separate switch. I have found that the switch
-        // is both confusing and made me run into issues when automating
-        // the lights.
+        // At the lowest brightness setting, switch to night light mode.  In
+        // the Yeelight integration in Home Assistant, this feature is
+        // exposed trough a separate switch. I have found that the switch is
+        // both confusing and made me run into issues when automating the
+        // lights.
+        //
         // I don't simply check for a brightness at or below 0.01 (1%),
-        // because the lowest brightness setting from Home Assistant
-        // turns up as 0.011765 in here (which is 3/255).
+        // because the lowest brightness setting from Home Assistant turns
+        // up as 0.011765 in here (which is 3/255).
         if (v.get_brightness() >= 0.012f) {
             return false;
         }
@@ -34,13 +35,13 @@ public:
             blue = 0.972f;
             white = 0.0f;
         }
-        // In RGB mode, the selected color is used to give the night light
-        // a specific color, instead of the default. This is a nice extra
-        // for this firmware, as the original firmware does not support it.
+        // In RGB mode, the selected color is used to give the night light a
+        // specific color, instead of the default. This is a nice extra for
+        // this firmware, as the original firmware does not support it.
         else {
             red = 0.9997f - v.get_red() * (0.9997f - 0.9680f);
             green = 0.9997f - v.get_green() * (0.9997f - 0.9680f);
-            auto blue_on = 0.9720f + (0.9680f - 0.9720f) *  (1.0f - (v.get_red() + v.get_green())/2.0f);
+            auto blue_on = 0.9720f + (0.9640f - 0.9720f) *  (1.0f - (v.get_red() + v.get_green())/2.0f);
             blue = 0.9997f - v.get_blue() * (0.9997f - blue_on);
             white = 0.0f;
         }