Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/SoilLayerProperties.cs
===================================================================
diff -u -r677ec9937ae7eff73a09bf937804ad22e0dc5a4b -r11770f197071c45397a34ec91fc3981acf05c850
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/SoilLayerProperties.cs	(.../SoilLayerProperties.cs)	(revision 677ec9937ae7eff73a09bf937804ad22e0dc5a4b)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Primitives/SoilLayerProperties.cs	(.../SoilLayerProperties.cs)	(revision 11770f197071c45397a34ec91fc3981acf05c850)
@@ -229,7 +229,7 @@
         {
             return string.Equals(materialName, other.materialName, StringComparison.InvariantCulture)
                    && IsAquifer == other.IsAquifer
-                   && Color.Equals(other.Color)
+                   && Color.ToArgb().Equals(other.Color.ToArgb())
                    && UsePop == other.UsePop
                    && ShearStrengthModel == other.ShearStrengthModel
                    && AbovePhreaticLevelMean.Equals(other.AbovePhreaticLevelMean)
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/Ringtoets.MacroStabilityInwards.Data.Test.csproj
===================================================================
diff -u -r677ec9937ae7eff73a09bf937804ad22e0dc5a4b -r11770f197071c45397a34ec91fc3981acf05c850
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/Ringtoets.MacroStabilityInwards.Data.Test.csproj	(.../Ringtoets.MacroStabilityInwards.Data.Test.csproj)	(revision 677ec9937ae7eff73a09bf937804ad22e0dc5a4b)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/Ringtoets.MacroStabilityInwards.Data.Test.csproj	(.../Ringtoets.MacroStabilityInwards.Data.Test.csproj)	(revision 11770f197071c45397a34ec91fc3981acf05c850)
@@ -61,6 +61,7 @@
     <Compile Include="MacroStabilityInwardsCalculationScenarioExtensionsTest.cs" />
     <Compile Include="MacroStabilityInwardsCalculationScenarioTest.cs" />
     <Compile Include="MacroStabilityInwardsCalculationTest.cs" />
+    <Compile Include="SoilLayerUnderSurfaceLineTest.cs" />
     <Compile Include="SoilProfileUnderSurfaceLineFactoryTest.cs" />
     <Compile Include="MacroStabilityInwardsFailureMechanismSection2aAssessmentResultExtensionsTest.cs" />
     <Compile Include="MacroStabilityInwardsFailureMechanismSectionResultTest.cs" />
@@ -71,6 +72,7 @@
     <Compile Include="MacroStabilityInwardsSurfaceLineCollectionTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="MacroStabilityInwardsProbabilityAssessmentInputTest.cs" />
+    <Compile Include="SoilProfileUnderSurfaceLineTest.cs" />
     <Compile Include="StochasticSoilModelCollectionTest.cs" />
     <Compile Include="StochasticSoilModelExtensionsTest.cs" />
     <Compile Include="StochasticSoilModelTest.cs" />
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilLayerUnderSurfaceLineTest.cs
===================================================================
diff -u
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilLayerUnderSurfaceLineTest.cs	(revision 0)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilLayerUnderSurfaceLineTest.cs	(revision 11770f197071c45397a34ec91fc3981acf05c850)
@@ -0,0 +1,122 @@
+// Copyright (C) Stichting Deltares 2017. 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 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 General Public License for more details.
+//
+// You should have received a copy of the GNU 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.Collections.Generic;
+using System.Linq;
+using Core.Common.Base.Geometry;
+using NUnit.Framework;
+using Ringtoets.MacroStabilityInwards.Primitives;
+
+namespace Ringtoets.MacroStabilityInwards.Data.Test
+{
+    [TestFixture]
+    public class SoilLayerUnderSurfaceLineTest
+    {
+        [Test]
+        public void Constructor_WithoutOuterRingWithHolesAndProperties_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate test = () => new SoilLayerUnderSurfaceLine(null, Enumerable.Empty<Point2D[]>(), new SoilLayerProperties());
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("outerRing", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_WithoutHolesWithOuterRingAndProperties_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate test = () => new SoilLayerUnderSurfaceLine(new Point2D[0], null, new SoilLayerProperties());
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("holes", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_WithoutPropertiesWithOuterRingAndHoles_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate test = () => new SoilLayerUnderSurfaceLine(new Point2D[0], Enumerable.Empty<Point2D[]>(), null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("properties", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_WithoutOuterRingWithProperties_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate test = () => new SoilLayerUnderSurfaceLine(null, new SoilLayerProperties());
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("outerRing", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_WithoutPropertiesWithOuterRing_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate test = () => new SoilLayerUnderSurfaceLine(new Point2D[0], null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("properties", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_WithOuterRingAndHolesAndProperties_NewInstanceWithPropertiesSet()
+        {
+            // Call
+            var outerRing = new Point2D[0];
+            var holes = Enumerable.Empty<Point2D[]>();
+            var properties = new SoilLayerProperties();
+
+            // Setup
+            var layer = new SoilLayerUnderSurfaceLine(outerRing, holes, properties);
+
+            // Assert
+            Assert.AreSame(outerRing, layer.OuterRing);
+            Assert.AreSame(holes, layer.Holes);
+            Assert.AreSame(properties, layer.Properties);
+        }
+
+        [Test]
+        public void Constructor_WithOuterRingAndProperties_NewInstanceWithPropertiesSet()
+        {
+            // Call
+            var outerRing = new Point2D[0];
+            var properties = new SoilLayerProperties();
+
+            // Setup
+            var layer = new SoilLayerUnderSurfaceLine(outerRing, properties);
+
+            // Assert
+            Assert.AreSame(outerRing, layer.OuterRing);
+            Assert.IsEmpty(layer.Holes);
+            Assert.AreSame(properties, layer.Properties);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilProfileUnderSurfaceLineTest.cs
===================================================================
diff -u
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilProfileUnderSurfaceLineTest.cs	(revision 0)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/SoilProfileUnderSurfaceLineTest.cs	(revision 11770f197071c45397a34ec91fc3981acf05c850)
@@ -0,0 +1,56 @@
+// Copyright (C) Stichting Deltares 2017. 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 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 General Public License for more details.
+//
+// You should have received a copy of the GNU 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.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+
+namespace Ringtoets.MacroStabilityInwards.Data.Test
+{
+    [TestFixture]
+    public class SoilProfileUnderSurfaceLineTest
+    {
+        [Test]
+        public void Constructor_WithoutLayersUnderSurfaceLine_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate test = () => new SoilProfileUnderSurfaceLine(null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("layersUnderSurfaceLine", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_WithLayersUnderSurfaceLine_NewInstanceWithPropertiesSet()
+        {
+            // Call
+            IEnumerable<SoilLayerUnderSurfaceLine> layers = Enumerable.Empty<SoilLayerUnderSurfaceLine>();
+
+            // Setup
+            var profile = new SoilProfileUnderSurfaceLine(layers);
+
+            // Assert
+            Assert.AreSame(layers, profile.LayersUnderSurfaceLine);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/SoilLayerPropertiesTest.cs
===================================================================
diff -u -r677ec9937ae7eff73a09bf937804ad22e0dc5a4b -r11770f197071c45397a34ec91fc3981acf05c850
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/SoilLayerPropertiesTest.cs	(.../SoilLayerPropertiesTest.cs)	(revision 677ec9937ae7eff73a09bf937804ad22e0dc5a4b)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Primitives.Test/SoilLayerPropertiesTest.cs	(.../SoilLayerPropertiesTest.cs)	(revision 11770f197071c45397a34ec91fc3981acf05c850)
@@ -181,7 +181,7 @@
             yield return new TestCaseData(new Action<SoilLayerProperties>(lp => lp.MaterialName = "interesting"));
             yield return new TestCaseData(new Action<SoilLayerProperties>(lp => lp.IsAquifer = !lp.IsAquifer));
             yield return new TestCaseData(new Action<SoilLayerProperties>(lp => lp.UsePop = !lp.UsePop));
-            yield return new TestCaseData(new Action<SoilLayerProperties>(lp => lp.Color = lp.Color == Color.Aqua ? Color.Bisque : Color.Aqua));
+            yield return new TestCaseData(new Action<SoilLayerProperties>(lp => lp.Color = lp.Color.ToArgb().Equals(Color.Aqua.ToArgb()) ? Color.Bisque : Color.Aqua));
             yield return new TestCaseData(new Action<SoilLayerProperties>(lp => lp.AbovePhreaticLevelMean = 1.0 - lp.AbovePhreaticLevelMean));
             yield return new TestCaseData(new Action<SoilLayerProperties>(lp => lp.AbovePhreaticLevelDeviation = 1.0 - lp.AbovePhreaticLevelDeviation));
             yield return new TestCaseData(new Action<SoilLayerProperties>(lp => lp.BelowPhreaticLevelMean = 1.0 - lp.BelowPhreaticLevelMean));
Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilProfileTest.cs
===================================================================
diff -u -r677ec9937ae7eff73a09bf937804ad22e0dc5a4b -r11770f197071c45397a34ec91fc3981acf05c850
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilProfileTest.cs	(.../StochasticSoilProfileTest.cs)	(revision 677ec9937ae7eff73a09bf937804ad22e0dc5a4b)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilProfileTest.cs	(.../StochasticSoilProfileTest.cs)	(revision 11770f197071c45397a34ec91fc3981acf05c850)
@@ -230,12 +230,12 @@
         }
 
         [Test]
-        public void ToString_WithNullName_ReturnsStringEmpty()
+        public void ToString_WithProfile_ReturnsToStringResultOfProfile()
         {
             // Setup
             var stochasticSoilProfile = new StochasticSoilProfile(0.0, SoilProfileType.SoilProfile1D, 0)
             {
-                SoilProfile = new PipingSoilProfile(null, 0.0, new[]
+                SoilProfile = new PipingSoilProfile("randomName", 0.0, new[]
                 {
                     new PipingSoilLayer(0.0)
                 }, SoilProfileType.SoilProfile1D, 0)
@@ -245,30 +245,10 @@
             string text = stochasticSoilProfile.ToString();
 
             // Assert
-            Assert.IsEmpty(text);
+            Assert.AreEqual(stochasticSoilProfile.SoilProfile.ToString(), text);
         }
 
-        [Test]
-        [TestCase("")]
-        [TestCase("some name")]
-        public void ToString_WithName_ReturnsName(string name)
-        {
-            // Setup
-            var stochasticSoilProfile = new StochasticSoilProfile(0.0, SoilProfileType.SoilProfile1D, 0)
-            {
-                SoilProfile = new PipingSoilProfile(name, 0.0, new[]
-                {
-                    new PipingSoilLayer(0.0)
-                }, SoilProfileType.SoilProfile1D, 0)
-            };
 
-            // Call
-            string text = stochasticSoilProfile.ToString();
-
-            // Assert
-            Assert.AreEqual(name, text);
-        }
-
         private class TestStochasticSoilProfile : StochasticSoilProfile
         {
             public TestStochasticSoilProfile(StochasticSoilProfile profile)
@@ -312,6 +292,7 @@
             StochasticSoilProfile profileA = CreateRandomStochasticProfile(21);
             StochasticSoilProfile profileB = CreateRandomStochasticProfile(21);
             StochasticSoilProfile profileC = CreateRandomStochasticProfile(73);
+            StochasticSoilProfile profileD = CreateRandomStochasticProfile(21);
             var profileE = new StochasticSoilProfile(0.5, SoilProfileType.SoilProfile1D, 25);
             var profileF = new StochasticSoilProfile(0.5, SoilProfileType.SoilProfile1D, 45);
 
@@ -321,10 +302,22 @@
                 {
                     TestName = "Equals_ProfileAProfileB_True"
                 },
+                new TestCaseData(profileB, profileD, true)
+                {
+                    TestName = "Equals_ProfileBProfileD_True"
+                },
+                new TestCaseData(profileA, profileD, true)
+                {
+                    TestName = "Equals_ProfileAProfileD_True"
+                },
                 new TestCaseData(profileB, profileC, false)
                 {
                     TestName = "Equals_ProfileBProfileC_False"
                 },
+                new TestCaseData(profileA, profileC, false)
+                {
+                    TestName = "Equals_ProfileAProfileC_False"
+                },
                 new TestCaseData(profileE, profileF, true)
                 {
                     TestName = "Equals_DifferentIds_True"