diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright © 2018 Hasan Yavuz Özderya
+# Copyright © 2019 Hasan Yavuz Özderya
 #
 # This file is part of serialplot.
 #
@@ -44,23 +44,11 @@ else (BUILD_QWT)
     find_package(Qwt 6.1 REQUIRED)
 endif (BUILD_QWT)
 
-# If set, cmake will download QtColorWidgets over git, build and use it as a static library.
-set(BUILD_QTCOLORWIDGETS true CACHE BOOL "Download and build QtColorWidgets library automatically.")
-if (BUILD_QTCOLORWIDGETS)
-  include(BuildQColorWidgets)
-else ()
-  find_package(QtColorWidgets REQUIRED)
-endif ()
-
 # includes
 include_directories("./src"
   ${QWT_INCLUDE_DIR}
-  ${QTCOLORWIDGETS_INCLUDE_DIRS}
   )
 
-# flags
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${QTCOLORWIDGETS_FLAGS}")
-
 # wrap UI and resource files
 qt5_wrap_ui(UI_FILES
   src/mainwindow.ui
@@ -153,7 +141,6 @@ add_executable(${PROGRAM_NAME} WIN32
 # Use the Widgets module from Qt 5.
 target_link_libraries(${PROGRAM_NAME}
   ${QWT_LIBRARY}
-  ${QTCOLORWIDGETS_LIBRARIES}
   )
 qt5_use_modules(${PROGRAM_NAME} Widgets SerialPort Network)
 
@@ -161,10 +148,6 @@ if (BUILD_QWT)
   add_dependencies(${PROGRAM_NAME} QWT)
 endif ()
 
-if (BUILD_QTCOLORWIDGETS)
-  add_dependencies(${PROGRAM_NAME} QCW)
-endif ()
-
 # set compiler flags
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
 
diff --git a/cmake/modules/BuildQColorWidgets.cmake b/cmake/modules/BuildQColorWidgets.cmake
deleted file mode 100644
--- a/cmake/modules/BuildQColorWidgets.cmake
+++ /dev/null
@@ -1,36 +0,0 @@
-#
-# Copyright © 2018 Hasan Yavuz Özderya
-#
-# This file is part of serialplot.
-#
-# serialplot is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# serialplot is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
-#
-
-include(ExternalProject)
-
-ExternalProject_Add(QCW
-  PREFIX qcw
-  GIT_REPOSITORY https://gitlab.com/mattia.basaglia/Qt-Color-Widgets.git
-  GIT_TAG 2c49e1bb4e1f591e720e2132cc2aaeef3ba73f14
-  CMAKE_CACHE_ARGS "-DCMAKE_CXX_FLAGS:string=-D QTCOLORWIDGETS_STATICALLY_LINKED"
-  UPDATE_COMMAND ""
-  INSTALL_COMMAND "")
-
-ExternalProject_Get_Property(QCW binary_dir source_dir)
-set(QTCOLORWIDGETS_FLAGS "-D QTCOLORWIDGETS_STATICALLY_LINKED")
-set(QTCOLORWIDGETS_LIBRARY ${binary_dir}/libColorWidgets-qt5.a)
-set(QTCOLORWIDGETS_INCLUDE_DIR ${source_dir}/include)
-
-set(QTCOLORWIDGETS_LIBRARIES ${QTCOLORWIDGETS_LIBRARY})
-set(QTCOLORWIDGETS_INCLUDE_DIRS ${QTCOLORWIDGETS_INCLUDE_DIR})
diff --git a/cmake/modules/FindQtColorWidgets.cmake b/cmake/modules/FindQtColorWidgets.cmake
deleted file mode 100644
--- a/cmake/modules/FindQtColorWidgets.cmake
+++ /dev/null
@@ -1,35 +0,0 @@
-#
-# Copyright © 2017 Hasan Yavuz Özderya
-#
-# This file is part of serialplot.
-#
-# serialplot is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# serialplot is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
-#
-
-# Note: this script is intended for the debian package created for serialplot.
-
-find_library(QTCOLORWIDGETS_LIBRARY "libColorWidgets-qt5.a")
-find_path(QTCOLORWIDGETS_INCLUDE_DIR "color_preview.hpp" PATHS "/usr/include/qtcolorwidgets/" NO_DEFAULT_PATH)
-
-mark_as_advanced(QTCOLORWIDGETS_LIBRARY QTCOLORWIDGETS_INCLUDE_DIR)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(QtColorWidgets DEFAULT_MSG QTCOLORWIDGETS_LIBRARY QTCOLORWIDGETS_INCLUDE_DIR)
-
-if (QTCOLORWIDGETS_FOUND)
-  set(QTCOLORWIDGETS_FLAGS "-D QTCOLORWIDGETS_STATICALLY_LINKED")
-  mark_as_advanced(QTCOLORWIDGETS_FLAGS)
-  set(QTCOLORWIDGETS_LIBRARIES ${QTCOLORWIDGETS_LIBRARY})
-  set(QTCOLORWIDGETS_INCLUDE_DIRS ${QTCOLORWIDGETS_INCLUDE_DIR})
-endif (QTCOLORWIDGETS_FOUND)
diff --git a/src/plotcontrolpanel.cpp b/src/plotcontrolpanel.cpp
--- a/src/plotcontrolpanel.cpp
+++ b/src/plotcontrolpanel.cpp
@@ -1,5 +1,5 @@
 /*
-  Copyright © 2018 Hasan Yavuz Özderya
+  Copyright © 2019 Hasan Yavuz Özderya
 
   This file is part of serialplot.
 
@@ -21,10 +21,10 @@
 #include <QMessageBox>
 #include <QCheckBox>
 #include <QStyledItemDelegate>
+#include <QColorDialog>
 
 #include <math.h>
 
-#include "color_selector.hpp"
 #include "plotcontrolpanel.h"
 #include "ui_plotcontrolpanel.h"
 #include "setting_defines.h"
@@ -162,9 +162,9 @@ PlotControlPanel::PlotControlPanel(QWidg
                      this, SLOT(onRangeSelected()));
 
     // color selector starts disabled until a channel is selected
-    ui->colorSelector->setColor(QColor(0,0,0,0));
-    ui->colorSelector->setDisplayMode(color_widgets::ColorPreview::AllAlpha);
-    ui->colorSelector->setDisabled(true);
+    ui->pbColorSel->setDisabled(true);
+    setSelectorColor(QColor(0,0,0,0));
+    connect(ui->pbColorSel, &QPushButton::clicked, this, &PlotControlPanel::onColorSelect);
 
     // reset buttons
     resetAct.setToolTip(tr("Reset channel names and colors"));
@@ -241,6 +241,30 @@ bool PlotControlPanel::askNSConfirmation
     return mb.exec() == QMessageBox::Apply;
 }
 
+void PlotControlPanel::setSelectorColor(QColor color)
+{
+    ui->pbColorSel->setStyleSheet(QString("background-color: %1;").arg(color.name()));
+}
+
+void PlotControlPanel::onColorSelect()
+{
+    auto selection = ui->tvChannelInfo->selectionModel()->currentIndex();
+    // no selection
+    if (!selection.isValid()) return;
+
+    // current color
+    auto model = ui->tvChannelInfo->model();
+    QColor color = model->data(selection, Qt::ForegroundRole).value<QColor>();
+
+    // show dialog
+    color = QColorDialog::getColor(color, this);
+
+    if (color.isValid())        // color is set to invalid if user cancels
+    {
+        ui->tvChannelInfo->model()->setData(selection, color, Qt::ForegroundRole);
+    }
+}
+
 void PlotControlPanel::onAutoScaleChecked(bool checked)
 {
     if (checked)
@@ -373,19 +397,16 @@ void PlotControlPanel::setChannelInfoMod
 
                 if (current.isValid())
                 {
-                    ui->colorSelector->setEnabled(true);
+                    ui->pbColorSel->setEnabled(true);
                     auto model = ui->tvChannelInfo->model();
                     color = model->data(current, Qt::ForegroundRole).value<QColor>();
                 }
                 else
                 {
-                    ui->colorSelector->setDisabled(true);
+                    ui->pbColorSel->setDisabled(true);
                 }
 
-                // temporarily block signals because `setColor` emits `colorChanged`
-                bool wasBlocked = ui->colorSelector->blockSignals(true);
-                ui->colorSelector->setColor(color);
-                ui->colorSelector->blockSignals(wasBlocked);
+                setSelectorColor(color);
             });
 
     connect(ui->tvChannelInfo->selectionModel(), &QItemSelectionModel::selectionChanged,
@@ -393,22 +414,11 @@ void PlotControlPanel::setChannelInfoMod
             {
                 if (!selected.length())
                 {
-                    ui->colorSelector->setDisabled(true);
-
-                    // temporarily block signals because `setColor` emits `colorChanged`
-                    bool wasBlocked = ui->colorSelector->blockSignals(true);
-                    ui->colorSelector->setColor(QColor(0,0,0,0));
-                    ui->colorSelector->blockSignals(wasBlocked);
+                    ui->pbColorSel->setDisabled(true);
+                    setSelectorColor(QColor(0,0,0,0));
                 }
             });
 
-    connect(ui->colorSelector, &color_widgets::ColorSelector::colorChanged,
-            [this](QColor color)
-            {
-                auto index = ui->tvChannelInfo->selectionModel()->currentIndex();
-                ui->tvChannelInfo->model()->setData(index, color, Qt::ForegroundRole);
-            });
-
     connect(model, &QAbstractItemModel::dataChanged,
             [this](const QModelIndex & topLeft, const QModelIndex & bottomRight, const QVector<int> & roles = QVector<int> ())
             {
@@ -419,11 +429,7 @@ void PlotControlPanel::setChannelInfoMod
 
                 auto mod = ui->tvChannelInfo->model();
                 QColor color = mod->data(current, Qt::ForegroundRole).value<QColor>();
-
-                // temporarily block signals because `setColor` emits `colorChanged`
-                bool wasBlocked = ui->colorSelector->blockSignals(true);
-                ui->colorSelector->setColor(color);
-                ui->colorSelector->blockSignals(wasBlocked);
+                setSelectorColor(color);
             });
 
     // reset actions
diff --git a/src/plotcontrolpanel.h b/src/plotcontrolpanel.h
--- a/src/plotcontrolpanel.h
+++ b/src/plotcontrolpanel.h
@@ -1,5 +1,5 @@
 /*
-  Copyright © 2018 Hasan Yavuz Özderya
+  Copyright © 2019 Hasan Yavuz Özderya
 
   This file is part of serialplot.
 
@@ -79,6 +79,9 @@ private:
     /// Show a confirmation dialog before setting #samples to a big value
     bool askNSConfirmation(int value);
 
+    /// Set the color displayed by color selector button
+    void setSelectorColor(QColor color);
+
 private slots:
     void onNumOfSamples(int value);
     void onAutoScaleChecked(bool checked);
@@ -87,6 +90,7 @@ private slots:
     void onIndexChecked(bool checked);
     void onXScaleChanged();
     void onPlotWidthChanged();
+    void onColorSelect();
 };
 
 #endif // PLOTCONTROLPANEL_H
diff --git a/src/plotcontrolpanel.ui b/src/plotcontrolpanel.ui
--- a/src/plotcontrolpanel.ui
+++ b/src/plotcontrolpanel.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>704</width>
-    <height>195</height>
+    <height>220</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -69,9 +69,9 @@
          <enum>QLayout::SetMaximumSize</enum>
         </property>
         <item>
-         <widget class="color_widgets::ColorSelector" name="colorSelector" native="true">
+         <widget class="QPushButton" name="pbColorSel">
           <property name="sizePolicy">
-           <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+           <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
             <horstretch>0</horstretch>
             <verstretch>0</verstretch>
            </sizepolicy>
@@ -88,6 +88,15 @@
             <height>20</height>
            </size>
           </property>
+          <property name="styleSheet">
+           <string notr="true">background-color: rgb(70, 141, 255);</string>
+          </property>
+          <property name="text">
+           <string/>
+          </property>
+          <property name="flat">
+           <bool>false</bool>
+          </property>
          </widget>
         </item>
         <item>
@@ -411,14 +420,6 @@
    </item>
   </layout>
  </widget>
- <customwidgets>
-  <customwidget>
-   <class>color_widgets::ColorSelector</class>
-   <extends>QWidget</extends>
-   <header>color_selector.hpp</header>
-   <container>1</container>
-  </customwidget>
- </customwidgets>
  <resources/>
  <connections/>
 </ui>