Index: Core/Common/src/Core.Common.Controls/Core.Common.Controls.csproj
===================================================================
diff -u -r23d1e296e2da4364fbfe346e68d582dfcf966bb0 -r5e6189fbdb1d72d1ac13c1c5471315778f812561
--- Core/Common/src/Core.Common.Controls/Core.Common.Controls.csproj	(.../Core.Common.Controls.csproj)	(revision 23d1e296e2da4364fbfe346e68d582dfcf966bb0)
+++ Core/Common/src/Core.Common.Controls/Core.Common.Controls.csproj	(.../Core.Common.Controls.csproj)	(revision 5e6189fbdb1d72d1ac13c1c5471315778f812561)
@@ -80,6 +80,8 @@
     </Compile>
     <Compile Include="Commands\ICommand.cs" />
     <Compile Include="DataGrid\CellStyle.cs" />
+    <Compile Include="DataGrid\DataGridViewColorCell.cs" />
+    <Compile Include="DataGrid\DataGridViewColorColumn.cs" />
     <Compile Include="DataGrid\DoubleBufferedDataGridView.cs">
       <SubType>Component</SubType>
     </Compile>
Index: Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewColorCell.cs
===================================================================
diff -u
--- Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewColorCell.cs	(revision 0)
+++ Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewColorCell.cs	(revision 5e6189fbdb1d72d1ac13c1c5471315778f812561)
@@ -0,0 +1,80 @@
+// Copyright (C) Stichting Deltares 2016. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace Core.Common.Controls.DataGrid
+{
+    /// <summary>
+    /// This class defines cells for a data grid view in which a color is shown based
+    /// on the value of that cell.
+    /// </summary>
+    public class DataGridViewColorCell : DataGridViewTextBoxCell
+    {
+        protected override void Paint(
+            Graphics graphics,
+            Rectangle clipBounds,
+            Rectangle cellBounds,
+            int rowIndex,
+            DataGridViewElementStates cellState,
+            object value,
+            object formattedValue,
+            string errorText,
+            DataGridViewCellStyle cellStyle,
+            DataGridViewAdvancedBorderStyle advancedBorderStyle,
+            DataGridViewPaintParts paintParts)
+        {
+            base.Paint(
+                graphics,
+                clipBounds,
+                cellBounds,
+                rowIndex,
+                cellState,
+                value,
+                formattedValue,
+                errorText,
+                cellStyle,
+                advancedBorderStyle,
+                paintParts);
+
+            if (paintParts.HasFlag(DataGridViewPaintParts.ContentBackground) && value is Color)
+            {
+                using (var cellBackground = new SolidBrush((Color)value))
+                using(var cellBackgroundBorder = new Pen(Color.DarkSlateGray, 1))
+                {
+                    var rectangleWithMargin = CreateRectangleWithMargin(cellBounds, 3);
+                    graphics.FillRectangle(cellBackground, rectangleWithMargin);
+                    graphics.DrawRectangle(cellBackgroundBorder, rectangleWithMargin);
+                }
+            }
+        }
+
+        private Rectangle CreateRectangleWithMargin(Rectangle cellBounds, int i)
+        {
+            return new Rectangle(
+                cellBounds.X + i,
+                cellBounds.Y + i,
+                cellBounds.Width - i * 2 - 2,
+                cellBounds.Height - i * 2 - 2);
+        }
+    }
+}
\ No newline at end of file
Index: Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewColorColumn.cs
===================================================================
diff -u
--- Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewColorColumn.cs	(revision 0)
+++ Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewColorColumn.cs	(revision 5e6189fbdb1d72d1ac13c1c5471315778f812561)
@@ -0,0 +1,54 @@
+// Copyright (C) Stichting Deltares 2016. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.Windows.Forms;
+
+namespace Core.Common.Controls.DataGrid
+{
+    /// <summary>
+    /// This class defines a column of a data grid view in which the cells
+    /// show a color.
+    /// </summary>
+    public class DataGridViewColorColumn : DataGridViewColumn
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="DataGridViewColorColumn"/>.
+        /// </summary>
+        public DataGridViewColorColumn() : base(new DataGridViewColorCell()) { }
+
+        public override DataGridViewCell CellTemplate
+        {
+            get
+            {
+                return base.CellTemplate;
+            }
+            set
+            {
+                if (value is DataGridViewColorCell)
+                {
+                    base.CellTemplate = value;
+                }
+                else throw new ArgumentException($"Given template must be of type {typeof(DataGridViewColorCell)}", nameof(value));
+            }
+        }
+    }
+}
\ No newline at end of file
Index: Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewControl.cs
===================================================================
diff -u -ra246db9c5134d2c12ee5a37b19bde5e442acce38 -r5e6189fbdb1d72d1ac13c1c5471315778f812561
--- Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewControl.cs	(.../DataGridViewControl.cs)	(revision a246db9c5134d2c12ee5a37b19bde5e442acce38)
+++ Core/Common/src/Core.Common.Controls/DataGrid/DataGridViewControl.cs	(.../DataGridViewControl.cs)	(revision 5e6189fbdb1d72d1ac13c1c5471315778f812561)
@@ -220,6 +220,18 @@
             dataGridView.Columns.Add(dataGridViewComboBoxColumn);
         }
 
+        public void AddColorColumn(string dataPropertyName, string headerText, DataGridViewAutoSizeColumnMode autoSizeMode = DataGridViewAutoSizeColumnMode.AllCells)
+        {
+            var colorColumn = new DataGridViewColorColumn
+            {
+                DataPropertyName = dataPropertyName,
+                HeaderText = headerText,
+                AutoSizeMode = autoSizeMode
+            };
+
+            dataGridView.Columns.Add(colorColumn);
+        }
+
         /// <summary>
         /// Sets the datasource on the <see cref="DataGridView"/>.
         /// </summary>
Index: Core/Common/test/Core.Common.Controls.Test/Core.Common.Controls.Test.csproj
===================================================================
diff -u -r23d1e296e2da4364fbfe346e68d582dfcf966bb0 -r5e6189fbdb1d72d1ac13c1c5471315778f812561
--- Core/Common/test/Core.Common.Controls.Test/Core.Common.Controls.Test.csproj	(.../Core.Common.Controls.Test.csproj)	(revision 23d1e296e2da4364fbfe346e68d582dfcf966bb0)
+++ Core/Common/test/Core.Common.Controls.Test/Core.Common.Controls.Test.csproj	(.../Core.Common.Controls.Test.csproj)	(revision 5e6189fbdb1d72d1ac13c1c5471315778f812561)
@@ -57,6 +57,8 @@
       <Link>Properties\GlobalAssembly.cs</Link>
     </Compile>
     <Compile Include="DataGrid\CellStyleTest.cs" />
+    <Compile Include="DataGrid\DataGridViewColorCellTest.cs" />
+    <Compile Include="DataGrid\DataGridViewColorColumnTest.cs" />
     <Compile Include="DataGrid\DataGridViewComboBoxItemWrapperTest.cs" />
     <Compile Include="DataGrid\DataGridViewControlTest.cs" />
     <Compile Include="DataGrid\DoubleBufferedDataGridViewTest.cs" />
Index: Core/Common/test/Core.Common.Controls.Test/DataGrid/DataGridViewColorCellTest.cs
===================================================================
diff -u
--- Core/Common/test/Core.Common.Controls.Test/DataGrid/DataGridViewColorCellTest.cs	(revision 0)
+++ Core/Common/test/Core.Common.Controls.Test/DataGrid/DataGridViewColorCellTest.cs	(revision 5e6189fbdb1d72d1ac13c1c5471315778f812561)
@@ -0,0 +1,105 @@
+// Copyright (C) Stichting Deltares 2016. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.Windows.Forms;
+using Core.Common.Controls.DataGrid;
+using Core.Common.TestUtil;
+using NUnit.Framework;
+
+namespace Core.Common.Controls.Test.DataGrid
+{
+    [TestFixture]
+    public class DataGridViewColorCellTest
+    {
+        [Test]
+        public void DefaultConstructor_CreatesNewInstance()
+        {
+            // Call
+            var cell = new DataGridViewColorCell();
+
+            // Assert
+            Assert.IsInstanceOf<DataGridViewTextBoxCell>(cell);
+        }
+
+        [Test]
+        public void GivenGridWithColorCell_WhenGridCellIsMadeVisibleAndUnselected_ThenOutlinedSquareOfColorDrawnAsExpected()
+        {
+            // Given
+            var expectedColor = Color.FromKnownColor(new Random(21).NextEnumValue<KnownColor>());
+            var view = new DataGridView
+            {
+                DataSource = new[]
+                {
+                    new ColorRow(expectedColor)
+                }
+            };
+            var cell = new DataGridViewColorCell();
+            view.Columns.Add(new DataGridViewColorColumn
+                             {
+                                 CellTemplate = cell,
+                                 DataPropertyName = nameof(ColorRow.Color)
+                             });
+
+            // When
+            WindowsFormsTestHelper.ShowModal(view, f =>
+            {
+                view.ClearSelection();
+
+                // Then
+                var cellDisplayRectangle = view.GetCellDisplayRectangle(0, 0, false);
+
+                using (Bitmap viewDrawCanvas = new Bitmap(view.Width, view.Height))
+                using (Image expectedImage = new Bitmap(cellDisplayRectangle.Width, cellDisplayRectangle.Height))
+                {
+                    view.DrawToBitmap(viewDrawCanvas, new Rectangle(0, 0, view.Width, view.Height));
+                    using (var actualImage = viewDrawCanvas.Clone(cellDisplayRectangle, viewDrawCanvas.PixelFormat))
+                    {
+                        var expectedWidth = cellDisplayRectangle.Width;
+                        var expectedHeight = cellDisplayRectangle.Height;
+                        var colorRectangle = new Rectangle(3, 3, expectedWidth - 8, expectedHeight - 8);
+
+                        var expectedGraphic = Graphics.FromImage(expectedImage);
+                        expectedGraphic.FillRectangle(new SolidBrush(Color.White), new Rectangle(0, 0, expectedWidth, expectedHeight));
+                        expectedGraphic.FillRectangle(new SolidBrush(expectedColor), colorRectangle);
+                        expectedGraphic.DrawRectangle(new Pen(Color.DarkSlateGray), colorRectangle);
+                        expectedGraphic.DrawLine(new Pen(view.GridColor), expectedWidth - 1, 0, expectedWidth - 1, expectedHeight - 1);
+                        expectedGraphic.DrawLine(new Pen(view.GridColor), 0, expectedHeight - 1, expectedWidth - 1, expectedHeight - 1);
+
+                        TestHelper.AssertImagesAreEqual(expectedImage, actualImage);
+                    }
+                }
+            });
+        }
+    }
+
+    public class ColorRow 
+    {
+        public ColorRow(Color color)
+        {
+            Color = color;
+        }
+
+        public Color Color { get; }
+    }
+}
\ No newline at end of file
Index: Core/Common/test/Core.Common.Controls.Test/DataGrid/DataGridViewColorColumnTest.cs
===================================================================
diff -u
--- Core/Common/test/Core.Common.Controls.Test/DataGrid/DataGridViewColorColumnTest.cs	(revision 0)
+++ Core/Common/test/Core.Common.Controls.Test/DataGrid/DataGridViewColorColumnTest.cs	(revision 5e6189fbdb1d72d1ac13c1c5471315778f812561)
@@ -0,0 +1,74 @@
+// Copyright (C) Stichting Deltares 2016. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using System.Windows.Forms;
+using Core.Common.Controls.DataGrid;
+using Core.Common.TestUtil;
+using NUnit.Framework;
+
+namespace Core.Common.Controls.Test.DataGrid
+{
+    [TestFixture]
+    public class DataGridViewColorColumnTest
+    {
+        [Test]
+        public void DefaultConstructor_CreatesColumnInstance()
+        {
+            // Call
+            var column = new DataGridViewColorColumn();
+
+            // Assert
+            Assert.IsInstanceOf<DataGridViewColumn>(column);
+        }
+
+        [Test]
+        public void CellTemplate_WithColorCell_CellTemplateSet()
+        {
+            // Setup
+            var column = new DataGridViewColorColumn();
+            var dataGridViewCell = new DataGridViewColorCell();
+
+            // Call
+            column.CellTemplate = dataGridViewCell;
+
+            // Assert
+            Assert.AreSame(dataGridViewCell, column.CellTemplate);
+        }
+
+        [Test]
+        public void CellTemplate_WithOtherCell_ThrowsArgumentException()
+        {
+            // Setup
+            var column = new DataGridViewColorColumn();
+            var dataGridViewCell = new DataGridViewTextBoxCell();
+
+            // Call
+            TestDelegate test = () =>column.CellTemplate = dataGridViewCell;
+
+            // Assert
+            ArgumentException exception = TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentException>(
+                test,
+                $"Given template must be of type { typeof(DataGridViewColorCell) }");
+            Assert.AreEqual("value", exception.ParamName);
+        }
+    }
+}
\ No newline at end of file
Index: Core/Common/test/Core.Common.TestUtil/TestHelper.cs
===================================================================
diff -u -r065af7e201b59ec19a17c42e9d772f5e86b31338 -r5e6189fbdb1d72d1ac13c1c5471315778f812561
--- Core/Common/test/Core.Common.TestUtil/TestHelper.cs	(.../TestHelper.cs)	(revision 065af7e201b59ec19a17c42e9d772f5e86b31338)
+++ Core/Common/test/Core.Common.TestUtil/TestHelper.cs	(.../TestHelper.cs)	(revision 5e6189fbdb1d72d1ac13c1c5471315778f812561)
@@ -416,7 +416,7 @@
             {
                 for (int j = 0; j < bitmap.Width; j++)
                 {
-                    imageColors[index++] = bitmap.GetPixel(i, j);
+                    imageColors[index++] = bitmap.GetPixel(j, i);
                 }
             }
             return imageColors;
Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingSoilLayerTable.cs
===================================================================
diff -u -ra246db9c5134d2c12ee5a37b19bde5e442acce38 -r5e6189fbdb1d72d1ac13c1c5471315778f812561
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingSoilLayerTable.cs	(.../PipingSoilLayerTable.cs)	(revision a246db9c5134d2c12ee5a37b19bde5e442acce38)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/Views/PipingSoilLayerTable.cs	(.../PipingSoilLayerTable.cs)	(revision 5e6189fbdb1d72d1ac13c1c5471315778f812561)
@@ -19,15 +19,21 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
-using System;
 using System.Collections.Generic;
 using Core.Common.Controls.DataGrid;
 using Ringtoets.Piping.Primitives;
 
 namespace Ringtoets.Piping.Forms.Views
 {
+    /// <summary>
+    /// This class defines a table in which properties of <see cref="PipingSoilLayer"/> instances
+    /// are shown as rows.
+    /// </summary>
     public class PipingSoilLayerTable : DataGridViewControl
     {
+        /// <summary>
+        /// Creates a new instance of <see cref="PipingSoilLayerTable"/>.
+        /// </summary>
         public PipingSoilLayerTable()
         {
             AddColumns();
@@ -46,7 +52,7 @@
         private void AddColumns()
         {
             AddTextBoxColumn(nameof(PipingSoilLayer.MaterialName), "Naam", true);
-            AddTextBoxColumn(nameof(PipingSoilLayer.Color), "Kleur", true);
+            AddColorColumn(nameof(PipingSoilLayer.Color), "Kleur");
             AddTextBoxColumn(nameof(PipingSoilLayer.Top), "Topniveau [m+NAP]", true);
             AddCheckBoxColumn(nameof(PipingSoilLayer.IsAquifer), "Is aquifer", true);
             AddTextBoxColumn(nameof(PipingSoilLayer.PermeabilityMean), "Doorlatendheid (verwachtingswaarde) [m/s]", true);