diff --git a/core/src/themes/ionic.theme.default.ios.scss b/core/src/themes/ionic.theme.default.ios.scss
index 0322d43e54..3769d9a03a 100644
--- a/core/src/themes/ionic.theme.default.ios.scss
+++ b/core/src/themes/ionic.theme.default.ios.scss
@@ -4,7 +4,7 @@
 // ----------------------------------
 $colors-ios:      () !default;
 $ion-colors-ios:  ();
-$colors-ios:                                  ion-extend-colors($colors, $ion-colors-ios, $colors-ios);
+$colors-ios:                                        ion-extend-colors($colors, $ion-colors-ios, $colors-ios);
 
 // iOS General
 // --------------------------------------------------
diff --git a/core/src/themes/ionic.theme.default.md.scss b/core/src/themes/ionic.theme.default.md.scss
index df5a0d2d7c..3c46d0f4a1 100644
--- a/core/src/themes/ionic.theme.default.md.scss
+++ b/core/src/themes/ionic.theme.default.md.scss
@@ -4,7 +4,7 @@
 // ----------------------------------
 $colors-md:      () !default;
 $ion-colors-md:  ();
-$colors-md:                                  ion-extend-colors($colors, $ion-colors-md, $colors-md);
+$colors-md:                                 ion-extend-colors($colors, $ion-colors-md, $colors-md);
 
 // Material Design General
 // --------------------------------------------------
diff --git a/core/src/themes/ionic.theme.default.scss b/core/src/themes/ionic.theme.default.scss
index 9b7b5f79e9..751d317551 100644
--- a/core/src/themes/ionic.theme.default.scss
+++ b/core/src/themes/ionic.theme.default.scss
@@ -49,7 +49,7 @@ $ion-colors:  (
   ),
   warning: (
     base:             $warning,
-    contrast:         #000,
+    contrast:         #fff,
     shade:            get-color-shade($warning),
     tint:             get-color-tint($warning)
   ),
@@ -67,7 +67,7 @@ $ion-colors:  (
   ),
   medium: (
     base:             $medium,
-    contrast:         #000,
+    contrast:         #fff,
     shade:            get-color-shade($medium),
     tint:             get-color-tint($medium)
   ),
@@ -78,7 +78,7 @@ $ion-colors:  (
     tint:             get-color-tint($dark)
   )
 );
-$colors:                                            ion-extend-colors($ion-colors, $colors);
+$colors:              ion-extend-colors($ion-colors, $colors);
 
 // Default General
 // --------------------------------------------------