diff --git a/Plugins/org.blueberry.ui.qt/resources/org_blueberry_ui_qt.qrc b/Plugins/org.blueberry.ui.qt/resources/org_blueberry_ui_qt.qrc
index 8b9a9bd9e8..b8c7fa4579 100755
--- a/Plugins/org.blueberry.ui.qt/resources/org_blueberry_ui_qt.qrc
+++ b/Plugins/org.blueberry.ui.qt/resources/org_blueberry_ui_qt.qrc
@@ -1,67 +1,67 @@
 <!DOCTYPE RCC><RCC version="1.0">
   <qresource prefix="/org.blueberry.ui.qt">
     <file>cursor_bottom.xpm</file>
     <file>cursor_center.xpm</file>
     <file>cursor_left.xpm</file>
     <file>cursor_offscreen.xpm</file>
     <file>cursor_right.xpm</file>
     <file>cursor_top.xpm</file>
     <file>dialog-error.svg</file>
     <file>icon_missing.png</file>
-    <file>tab_close_icon.png</file>
-    <file>tab_close_icon-active.png</file>
+    <file>tab_close_grey.svg</file>
+    <file>tab_close_grey_active.svg</file>
 
     <file>defaultstyle.qss</file>
     <file>defaultstyle-activetab.qss</file>
     <file>defaultstyle-tab.qss</file>
 
     <file>dark/up_arrow_disabled.png</file>
     <file>dark/Hmovetoolbar.png</file>
     <file>dark/stylesheet-branch-end.png</file>
     <file>dark/branch_closed-on.png</file>
     <file>dark/stylesheet-vline.png</file>
     <file>dark/branch_closed.png</file>
     <file>dark/branch_open-on.png</file>
     <file>dark/transparent.png</file>
     <file>dark/right_arrow_disabled.png</file>
     <file>dark/sizegrip.png</file>
     <file>dark/close.png</file>
     <file>dark/close-hover.png</file>
     <file>dark/close-pressed.png</file>
     <file>dark/down_arrow.png</file>
     <file>dark/Vmovetoolbar.png</file>
     <file>dark/left_arrow.png</file>
     <file>dark/stylesheet-branch-more.png</file>
     <file>dark/up_arrow.png</file>
     <file>dark/right_arrow.png</file>
     <file>dark/left_arrow_disabled.png</file>
     <file>dark/Hsepartoolbar.png</file>
     <file>dark/branch_open.png</file>
     <file>dark/Vsepartoolbar.png</file>
     <file>dark/down_arrow_disabled.png</file>
     <file>dark/undock.png</file>
     <file>dark/checkbox_checked_disabled.png</file>
     <file>dark/checkbox_checked_focus.png</file>
     <file>dark/checkbox_checked.png</file>
     <file>dark/checkbox_indeterminate.png</file>
     <file>dark/checkbox_indeterminate_focus.png</file>
     <file>dark/checkbox_unchecked_disabled.png</file>
     <file>dark/checkbox_unchecked_focus.png</file>
     <file>dark/checkbox_unchecked.png</file>
     <file>dark/radio_checked_disabled.png</file>
     <file>dark/radio_checked_focus.png</file>
     <file>dark/radio_checked.png</file>
     <file>dark/radio_unchecked_disabled.png</file>
     <file>dark/radio_unchecked_focus.png</file>
     <file>dark/radio_unchecked.png</file>
 
     <file>darkstyle.qss</file>
     <file>darkstyle-tab.qss</file>
     <file>darkstyle-activetab.qss</file>
 
     <file>fonts/FiraSans/FiraSans.ttc</file>
     <file>fonts/LightFiraSans/LightFiraSans.ttc</file>
     <file>fonts/Roboto/Roboto.ttf</file>
     <file>fonts/xkcd/xkcd.ttf</file>
   </qresource>
 </RCC>
diff --git a/Plugins/org.blueberry.ui.qt/src/internal/defaultpresentation/berryNativeTabItem.cpp b/Plugins/org.blueberry.ui.qt/src/internal/defaultpresentation/berryNativeTabItem.cpp
index 479539188e..cf56522af0 100755
--- a/Plugins/org.blueberry.ui.qt/src/internal/defaultpresentation/berryNativeTabItem.cpp
+++ b/Plugins/org.blueberry.ui.qt/src/internal/defaultpresentation/berryNativeTabItem.cpp
@@ -1,128 +1,128 @@
 /*===================================================================
 
 BlueBerry Platform
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #include "berryNativeTabItem.h"
 
 #include "berryNativeTabFolder.h"
 #include "berryQCTabBar.h"
 
 #include <berryConstants.h>
 
 #include <QToolButton>
 
 namespace berry
 {
 
 NativeTabItem::NativeTabItem(NativeTabFolder* _parent, int index, int flags) :
   parent(_parent), style(flags), showClose(true), closeButton(nullptr)
 {
   parent->GetTabFolder()->insertTab(index, this);
 
   if (this->GetShowClose())
   {
     parent->GetTabFolder()->setTabButton(index, QTabBar::RightSide, this->GetCloseButton());
     this->connect(this->GetCloseButton(), SIGNAL(clicked()), this, SLOT(CloseButtonClicked()));
   }
 }
 
 void NativeTabItem::CloseButtonClicked()
 {
   parent->CloseButtonClicked(this);
 }
 
 QRect NativeTabItem::GetBounds()
 {
   int index = parent->IndexOf(this);
 
   QTabBar* folder = parent->GetTabFolder();
   QRect localRect = folder->tabRect(index);
 
   QPoint topLeft = localRect.topLeft();
   QPoint bottomRight = localRect.bottomRight();
 
   QPoint globalTopLeft = folder->mapToGlobal(topLeft);
   QPoint globalBottomRight = folder->mapToGlobal(bottomRight);
 
   return QRect(globalTopLeft, globalBottomRight);
 }
 
 void NativeTabItem::SetInfo(const PartInfo& info)
 {
   QTabBar* widget = parent->GetTabFolder();
 
   int index = parent->IndexOf(this);
   if (widget->tabText(index) != info.name)
   {
     widget->setTabText(index, info.name);
   }
 
   if (widget->tabToolTip(index) != info.toolTip)
   {
     widget->setTabToolTip(index, info.toolTip);
   }
 
   if (widget->tabIcon(index).cacheKey() != info.image.cacheKey())
   {
     widget->setTabIcon(index, info.image);
   }
 }
 
 bool NativeTabItem::GetShowClose() const
 {
   return ((style & Constants::CLOSE) && showClose);
 }
 
 void NativeTabItem::SetShowClose(bool close)
 {
   showClose = close;
 }
 
 QWidget* NativeTabItem::GetCloseButton()
 {
   if (!closeButton)
   {
-    QIcon iconCloseTab( ":/org.blueberry.ui.qt/tab_close_icon.png" );
-    iconCloseTab.addFile(":/org.blueberry.ui.qt/tab_close_icon-active.png", QSize(), QIcon::Active);
+    QIcon iconCloseTab( ":/org.blueberry.ui.qt/tab_close_grey.svg" );
+    iconCloseTab.addFile(":/org.blueberry.ui.qt/tab_close_grey_active.svg", QSize(), QIcon::Active);
     closeButton = new QToolButton(parent->GetControl());
     closeButton->setObjectName("TabCloseButton");
     closeButton->setContentsMargins(0, 0, 0, 0);
     closeButton->setFixedSize(12,12);
     //closeButton->setFlat(true);
     closeButton->setIcon(iconCloseTab);
     closeButton->setAutoRaise(true);
   }
 
   return closeButton;
 }
 
 void NativeTabItem::Dispose()
 {
   QTabBar* widget = parent->GetTabFolder();
   int index = parent->IndexOf(this);
   widget->removeTab(index); // this calls QCTabBar::tabRemoved
 }
 
 Object::Pointer NativeTabItem::GetData()
 {
   return data;
 }
 
 void NativeTabItem::SetData(Object::Pointer d)
 {
   this->data = d;
 }
 
 }