diff --git a/src/SocialWidget.cpp b/src/SocialWidget.cpp
index e334c5a3a..39f73f938 100644
--- a/src/SocialWidget.cpp
+++ b/src/SocialWidget.cpp
@@ -29,8 +29,6 @@
 #include "utils/Logger.h"
 #include "Source.h"
 
-#define CORNER_ROUNDNESS 6.0
-#define OPACITY 0.96
 #define ARROW_HEIGHT 6
 
 
@@ -68,7 +66,7 @@ SocialWidget::SocialWidget( QWidget* parent )
     ui->buttonBox->button( QDialogButtonBox::Ok )->setIcon( QIcon( RESPATH "images/ok.png" ) );
     ui->buttonBox->button( QDialogButtonBox::Cancel )->setIcon( QIcon( RESPATH "images/cancel.png" ) );
 
-    ui->textEdit->setStyleSheet( "border: 1px solid #8c8c8c;" );
+    ui->textEdit->setStyleSheet( "border: 1px solid " + TomahawkUtils::Colors::BORDER_LINE.name() );
     
     m_parent->installEventFilter( this );
 
@@ -142,7 +140,7 @@ SocialWidget::paintEvent( QPaintEvent* event )
     QPainterPath outline;
 
     QRect r = contentsRect();
-    outline.addRoundedRect( r, CORNER_ROUNDNESS, CORNER_ROUNDNESS );
+    outline.addRoundedRect( r, TomahawkUtils::POPUP_ROUNDING_RADIUS, TomahawkUtils::POPUP_ROUNDING_RADIUS );
     outline.moveTo( r.right() - ARROW_HEIGHT * 2, r.bottom()+1 );
     outline.lineTo( r.right() - ARROW_HEIGHT * 3, r.bottom()+1 + ARROW_HEIGHT );
     outline.lineTo( r.right() - ARROW_HEIGHT * 4, r.bottom()+1 );
@@ -151,13 +149,13 @@ SocialWidget::paintEvent( QPaintEvent* event )
     p.setRenderHint( QPainter::Antialiasing );
     p.setBackgroundMode( Qt::TransparentMode );
 
-    QPen pen( QColor( 0x8c, 0x8c, 0x8c ) );
+    QPen pen( TomahawkUtils::Colors::BORDER_LINE );
     pen.setWidth( 2 );
     p.setPen( pen );
     p.drawPath( outline );
 
-    p.setOpacity( OPACITY );
-    p.fillPath( outline, QColor( "#FFFFFF" ) );
+    p.setOpacity( TomahawkUtils::POPUP_OPACITY );
+    p.fillPath( outline, TomahawkUtils::Colors::POPUP_BACKGROUND );
 
     QWidget::paintEvent( event );
     return;
diff --git a/src/libtomahawk/utils/ProxyStyle.cpp b/src/libtomahawk/utils/ProxyStyle.cpp
index bb96bd5ae..5180a2f67 100644
--- a/src/libtomahawk/utils/ProxyStyle.cpp
+++ b/src/libtomahawk/utils/ProxyStyle.cpp
@@ -25,6 +25,7 @@
 #include <QWidget>
 
 #include "utils/Logger.h"
+#include "utils/TomahawkUtilsGui.h"
 
 #define ARROW_WIDTH 7
 #define ARROW_HEIGHT 7
@@ -88,7 +89,7 @@ ProxyStyle::drawControl( ControlElement ce, const QStyleOption* opt, QPainter* p
         const QSplitter* splitter = qobject_cast< const QSplitter* >( w );
         if ( !splitter->sizes().contains( 0 ) )
         {
-            p->setPen( QColor( 0x8c, 0x8c, 0x8c ) );
+            p->setPen( TomahawkUtils::Colors::BORDER_LINE );
             // We must special-case this because of the AnimatedSplitterHandle which has a
             // SizeHint of 0,0.
             if( splitter->orientation() == Qt::Vertical )
diff --git a/src/libtomahawk/utils/TomahawkUtilsGui.h b/src/libtomahawk/utils/TomahawkUtilsGui.h
index 4d69538b0..205ff867a 100644
--- a/src/libtomahawk/utils/TomahawkUtilsGui.h
+++ b/src/libtomahawk/utils/TomahawkUtilsGui.h
@@ -73,6 +73,16 @@ namespace TomahawkUtils
     DLLEXPORT QPixmap createTiledPixmap( int width, int height, const QImage& src );
 
     DLLEXPORT QPixmap addDropShadow( const QPixmap& sourceImage, const QSize& targetSize );
+
+    namespace Colors
+    {
+        static const QColor BORDER_LINE = QColor( "#8c8c8c" );
+        static const QColor POPUP_BACKGROUND = QColor( "#ffffff" );
+        static const QColor GROUP_HEADER = QColor( "#637180" );
+    }
+
+    static const int POPUP_ROUNDING_RADIUS = 6;
+    static const float POPUP_OPACITY = 0.96;
 }
 
 #endif // TOMAHAWKUTILSGUI_H
diff --git a/src/libtomahawk/widgets/SourceTreePopupDialog.cpp b/src/libtomahawk/widgets/SourceTreePopupDialog.cpp
index 10ea1e10d..e83908585 100644
--- a/src/libtomahawk/widgets/SourceTreePopupDialog.cpp
+++ b/src/libtomahawk/widgets/SourceTreePopupDialog.cpp
@@ -56,7 +56,7 @@ SourceTreePopupDialog::SourceTreePopupDialog()
     m_title = new QLabel( this );
     QFont titleFont = m_title->font();
     titleFont.setBold( true );
-    m_title->setStyleSheet( "color: rgb( 99, 113, 128 );" );
+    m_title->setStyleSheet( "color: " + TomahawkUtils::Colors::GROUP_HEADER.name() );
     titleFont.setPointSize( TomahawkUtils::defaultFontSize() + 1 );
     m_title->setFont( titleFont );
     m_title->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Preferred );
@@ -81,7 +81,8 @@ SourceTreePopupDialog::SourceTreePopupDialog()
     m_separatorLine = new QWidget( this );
     m_separatorLine->setFixedHeight( 1 );
     m_separatorLine->setContentsMargins( 0, 0, 0, 0 );
-    m_separatorLine->setStyleSheet( "QWidget { border-top: 1px solid black; }" );
+    m_separatorLine->setStyleSheet( "QWidget { border-top: 1px solid " +
+                                    TomahawkUtils::Colors::BORDER_LINE.name() + "; }" );
     m_layout->addWidget( m_separatorLine );
     m_layout->addWidget( m_label );
     m_layout->addWidget( m_buttons );
@@ -174,7 +175,7 @@ SourceTreePopupDialog::paintEvent( QPaintEvent* event )
 {
     // Constants for painting
     const int leftTriangleWidth = 12;
-    const int cornerRounding = 6;
+    const int cornerRounding = TomahawkUtils::POPUP_ROUNDING_RADIUS;
     const int leftEdgeOffset = 2 /*margin*/ + leftTriangleWidth / 2;
     const QRect brect = rect().adjusted( 2, 3, -2, -3 );
 
@@ -195,7 +196,7 @@ SourceTreePopupDialog::paintEvent( QPaintEvent* event )
 
     p.setRenderHint( QPainter::Antialiasing );
 
-    QPen pen( QColor( 0x8c, 0x8c, 0x8c ) );
+    QPen pen( TomahawkUtils::Colors::BORDER_LINE );
     pen.setWidth( 2 );
     p.setPen( pen );
     p.drawPath( outline );
@@ -204,8 +205,8 @@ SourceTreePopupDialog::paintEvent( QPaintEvent* event )
     p.setOpacity( 0.93 );
     p.fillPath( outline, QColor( "#D6E3F1" ) );
 #else
-    p.setOpacity( 0.96 );
-    p.fillPath( outline, QColor( "#FFFFFF" ) );
+    p.setOpacity( TomahawkUtils::POPUP_OPACITY );
+    p.fillPath( outline, TomahawkUtils::Colors::POPUP_BACKGROUND );
 #endif
 
 #ifdef QT_MAC_USE_COCOA
diff --git a/src/sourcetree/SourceDelegate.cpp b/src/sourcetree/SourceDelegate.cpp
index 60dbcde01..198f65de1 100644
--- a/src/sourcetree/SourceDelegate.cpp
+++ b/src/sourcetree/SourceDelegate.cpp
@@ -294,7 +294,7 @@ SourceDelegate::paintCategory( QPainter* painter, const QStyleOptionViewItem& op
 
     painter->setPen( Qt::white );
     painter->drawText( option.rect.translated( 4, 1 ), index.data().toString().toUpper(), to );
-    painter->setPen( QColor( 99, 113, 128 ) );
+    painter->setPen( TomahawkUtils::Colors::GROUP_HEADER );
     painter->drawText( option.rect.translated( 4, 0 ), index.data().toString().toUpper(), to );
 
     if ( option.state & QStyle::State_MouseOver )
@@ -311,7 +311,7 @@ SourceDelegate::paintCategory( QPainter* painter, const QStyleOptionViewItem& op
         // draw close icon
         painter->setPen( Qt::white );
         painter->drawText( option.rect.translated( -4, 1 ), text, to );
-        painter->setPen( QColor( 99, 113, 128 ) );
+        painter->setPen( TomahawkUtils::Colors::GROUP_HEADER );
         painter->drawText( option.rect.translated( -4, 0 ), text, to );
     }
 
@@ -338,7 +338,7 @@ SourceDelegate::paintGroup( QPainter* painter, const QStyleOptionViewItem& optio
 
     painter->setPen( Qt::white );
     painter->drawText( option.rect.translated( 4, 1 ), index.data().toString().toUpper(), to );
-    painter->setPen( QColor( 99, 113, 128 ) );
+    painter->setPen( TomahawkUtils::Colors::GROUP_HEADER );
     painter->drawText( option.rect.translated( 4, 0 ), index.data().toString().toUpper(), to );
 
     if ( option.state & QStyle::State_MouseOver )
@@ -353,7 +353,7 @@ SourceDelegate::paintGroup( QPainter* painter, const QStyleOptionViewItem& optio
         // draw close icon
         painter->setPen( Qt::white );
         painter->drawText( option.rect.translated( -4, 1 ), text, to );
-        painter->setPen( QColor( 99, 113, 128 ) );
+        painter->setPen( TomahawkUtils::Colors::GROUP_HEADER );
         painter->drawText( option.rect.translated( -4, 0 ), text, to );
     }
 
diff --git a/src/widgets/AccountListWidget.cpp b/src/widgets/AccountListWidget.cpp
index 7ef09a106..811a8ad02 100644
--- a/src/widgets/AccountListWidget.cpp
+++ b/src/widgets/AccountListWidget.cpp
@@ -52,14 +52,15 @@ AccountListWidget::AccountListWidget( AccountModelFactoryProxy* model, QWidget*
     QWidget* separatorLine = new QWidget( this );
     separatorLine->setFixedHeight( 1 );
     separatorLine->setContentsMargins( 0, 0, 0, 0 );
-    separatorLine->setStyleSheet( "QWidget { border-top: 1px solid rgb( 140, 140, 140 ); }" ); //from ProxyStyle
+    separatorLine->setStyleSheet( "QWidget { border-top: 1px solid " +
+                                  TomahawkUtils::Colors::BORDER_LINE.name() + "; }" ); //from ProxyStyle
     mainLayout->insertWidget( 0, separatorLine );
     mainLayout->addSpacing( 6 );
 
     QLabel *connectionsLabel = new QLabel( tr( "Connections" ).toUpper(), this );
     QFont clFont = connectionsLabel->font();
     clFont.setBold( true );
-    connectionsLabel->setStyleSheet( "color: rgb( 99, 113, 128 );" );
+    connectionsLabel->setStyleSheet( "color: " + TomahawkUtils::Colors::GROUP_HEADER.name() );
     clFont.setPointSize( TomahawkUtils::defaultFontSize() + 1 );
     connectionsLabel->setFont( clFont );
     connectionsLabel->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Preferred );
diff --git a/src/widgets/AccountWidget.cpp b/src/widgets/AccountWidget.cpp
index e3e2b3df1..bab5b98bc 100644
--- a/src/widgets/AccountWidget.cpp
+++ b/src/widgets/AccountWidget.cpp
@@ -97,7 +97,7 @@ AccountWidget::AccountWidget( QWidget* parent )
 
     m_inviteContainer = new UnstyledFrame( this );
     vLayout->addWidget( m_inviteContainer, 1, 0 );
-    m_inviteContainer->setFrameColor( QColor( 0x8c, 0x8c, 0x8c ) ); //from ProxyStyle
+    m_inviteContainer->setFrameColor( TomahawkUtils::Colors::BORDER_LINE );
     m_inviteContainer->setMinimumWidth( m_inviteContainer->logicalDpiX() * 2 );
     m_inviteContainer->setContentsMargins( 1, 1, 1, 2 );
     m_inviteContainer->setAttribute( Qt::WA_TranslucentBackground, false );
diff --git a/src/widgets/AccountsPopupWidget.cpp b/src/widgets/AccountsPopupWidget.cpp
index c3b7e1200..43a68b2e0 100644
--- a/src/widgets/AccountsPopupWidget.cpp
+++ b/src/widgets/AccountsPopupWidget.cpp
@@ -19,6 +19,8 @@
 
 #include "AccountsPopupWidget.h"
 
+#include "utils/TomahawkUtilsGui.h"
+
 #include <QDebug>
 #include <QPainter>
 #include <QPaintEvent>
@@ -88,7 +90,7 @@ AccountsPopupWidget::setArrowOffset( int arrowOffset )
 void AccountsPopupWidget::paintEvent( QPaintEvent* )
 {
     // Constants for painting
-    const int cornerRadius = 6;   //the rounding radius of the widget
+    const int cornerRadius = TomahawkUtils::POPUP_ROUNDING_RADIUS;   //the rounding radius of the widget
     const int arrowHeight = 6;
 
     //m_arrowOffset is the distance between the far right boundary and the x value of the arrow head.
@@ -110,13 +112,13 @@ void AccountsPopupWidget::paintEvent( QPaintEvent* )
     p.setRenderHint( QPainter::Antialiasing );
     p.setBackgroundMode( Qt::TransparentMode );
 
-    QPen pen( QColor( 0x8c, 0x8c, 0x8c ) );
+    QPen pen( TomahawkUtils::Colors::BORDER_LINE );
     pen.setWidth( 2 );
     p.setPen( pen );
     p.drawPath( outline );
 
-    p.setOpacity( 0.96 );
-    p.fillPath( outline, QColor( "#FFFFFF" ) );
+    p.setOpacity( TomahawkUtils::POPUP_OPACITY );
+    p.fillPath( outline, TomahawkUtils::Colors::POPUP_BACKGROUND );
 
 #ifdef QT_MAC_USE_COCOA
     // Work around bug in Qt/Mac Cocoa where opening subsequent popups
diff --git a/src/widgets/AccountsToolButton.cpp b/src/widgets/AccountsToolButton.cpp
index c43a04301..93cb28954 100644
--- a/src/widgets/AccountsToolButton.cpp
+++ b/src/widgets/AccountsToolButton.cpp
@@ -77,7 +77,8 @@ AccountsToolButton::AccountsToolButton( QWidget* parent )
     QWidget *separatorLine = new QWidget( w );
     separatorLine->setFixedHeight( 1 );
     separatorLine->setContentsMargins( 0, 0, 0, 0 );
-    separatorLine->setStyleSheet( "QWidget { border-top: 1px solid rgb( 140, 140, 140 ); }" ); //from ProxyStyle
+    separatorLine->setStyleSheet( "QWidget { border-top: 1px solid " +
+                                  TomahawkUtils::Colors::BORDER_LINE.name() + "; }" ); //from ProxyStyle
     wMainLayout->addWidget( separatorLine );
 
     wMainLayout->addSpacing( 6 );