diff --git a/app/assets/less/variables.less b/app/assets/less/variables.less
index e55c4bf..b795f2c 100644
--- a/app/assets/less/variables.less
+++ b/app/assets/less/variables.less
@@ -10,9 +10,9 @@
 // ----------------------------------
 @blue:          #0000ff;
 @lightest-gray: #f9f9f9;
-@light-grey:    #dcdcdc;
-@dark-grey:     #444;
-@darker-grey:   #202020;
+@light-gray:    #dcdcdc;
+@dark-gray:     #444;
+@darker-gray:   #202020;
 @black:         #000;
 @white:         #fff;
 
@@ -25,7 +25,7 @@
 @foreground-color:   		white;
 //@body-bg:  					#f3f6fc;
 @body-bg:  					#f5f5f6;
-@border-color: 				@light-grey;
+@border-color: 				@light-gray;
 
 @text-color:				#353535;
 @text-secondary-color:		#757575;
@@ -152,7 +152,7 @@
 // ----------------------------------
 
 @callback-list-border-size:         1px;
-@callback-list-border-color:        @light-grey;
+@callback-list-border-color:        @light-gray;
 @callback-list-border-radius:       3px;
 @callback-list-name-text-size:      @font-size-h4;
 @callback-list-name-color:          @text-color;
@@ -163,11 +163,11 @@
 //   Request list
 // ----------------------------------
 
-@request-item-color:                @dark-grey;
+@request-item-color:                @dark-gray;
 @request-item-light-color:          #666;
 @request-item-background:           transparent;
-@request-item-border-color:         @light-grey;
-@request-item-active-color:         @dark-grey;
+@request-item-border-color:         @light-gray;
+@request-item-active-color:         @dark-gray;
 @request-item-active-background:    @lightest-gray;
 @request-item-active-border-color:  darken(@request-item-active-background, 10%);
 @request-item-hover-background:     @request-item-active-background;