diff --git a/org.contextmapper.dsl.tests/src/org/contextmapper/dsl/generators/plantuml/PlantUMLValueImpactMapDiagramCreatorTest.java b/org.contextmapper.dsl.tests/src/org/contextmapper/dsl/generators/plantuml/PlantUMLValueImpactMapDiagramCreatorTest.java
index 06aa9a44..61ff2577 100644
--- a/org.contextmapper.dsl.tests/src/org/contextmapper/dsl/generators/plantuml/PlantUMLValueImpactMapDiagramCreatorTest.java
+++ b/org.contextmapper.dsl.tests/src/org/contextmapper/dsl/generators/plantuml/PlantUMLValueImpactMapDiagramCreatorTest.java
@@ -52,6 +52,9 @@ public void canCreateValueImpactMapDiagramDiagramWithoutBoundedContext() throws
 				+ "  .green {" + System.lineSeparator()
 				+ "    BackgroundColor lightgreen" + System.lineSeparator()
 				+ "  }" + System.lineSeparator()
+				+ "  .yellow {" + System.lineSeparator()
+				+ "    BackgroundColor gold" + System.lineSeparator()
+				+ "  }" + System.lineSeparator()
 				+ "  .red {" + System.lineSeparator()
 				+ "    BackgroundColor tomato" + System.lineSeparator()
 				+ "  }" + System.lineSeparator()
@@ -66,7 +69,7 @@ public void canCreateValueImpactMapDiagramDiagramWithoutBoundedContext() throws
 				+ "----" + System.lineSeparator()
 				+ "Priority HIGH" + System.lineSeparator()
 				+ "Impact HIGH" + System.lineSeparator()
-				+ ";" + System.lineSeparator()
+				+ "; <<yellow>>" + System.lineSeparator()
 				+ "@endmindmap" + System.lineSeparator(), valueImpactMapDiagram);
 	}
 	
@@ -90,6 +93,9 @@ public void canCreateSimpleValueImpactMapDiagram() throws IOException {
 				+ "  .green {" + System.lineSeparator()
 				+ "    BackgroundColor lightgreen" + System.lineSeparator()
 				+ "  }" + System.lineSeparator()
+				+ "  .yellow {" + System.lineSeparator()
+				+ "    BackgroundColor gold" + System.lineSeparator()
+				+ "  }" + System.lineSeparator()
 				+ "  .red {" + System.lineSeparator()
 				+ "    BackgroundColor tomato" + System.lineSeparator()
 				+ "  }" + System.lineSeparator()
@@ -133,6 +139,9 @@ public void canCreateSimpleValueImpactMapDiagram4ValueCluster() throws IOExcepti
 				+ "  .green {" + System.lineSeparator()
 				+ "    BackgroundColor lightgreen" + System.lineSeparator()
 				+ "  }" + System.lineSeparator()
+				+ "  .yellow {" + System.lineSeparator()
+				+ "    BackgroundColor gold" + System.lineSeparator()
+				+ "  }" + System.lineSeparator()
 				+ "  .red {" + System.lineSeparator()
 				+ "    BackgroundColor tomato" + System.lineSeparator()
 				+ "  }" + System.lineSeparator()
@@ -176,6 +185,9 @@ public void canRespectValuesInValueClusters() throws IOException {
 				+ "  .green {" + System.lineSeparator()
 				+ "    BackgroundColor lightgreen" + System.lineSeparator()
 				+ "  }" + System.lineSeparator()
+				+ "  .yellow {" + System.lineSeparator()
+				+ "    BackgroundColor gold" + System.lineSeparator()
+				+ "  }" + System.lineSeparator()
 				+ "  .red {" + System.lineSeparator()
 				+ "    BackgroundColor tomato" + System.lineSeparator()
 				+ "  }" + System.lineSeparator()
@@ -231,6 +243,9 @@ public void canHandleRecurringStakeholders() throws IOException {
 				+ "  .green {" + System.lineSeparator()
 				+ "    BackgroundColor lightgreen" + System.lineSeparator()
 				+ "  }" + System.lineSeparator()
+				+ "  .yellow {" + System.lineSeparator()
+				+ "    BackgroundColor gold" + System.lineSeparator()
+				+ "  }" + System.lineSeparator()
 				+ "  .red {" + System.lineSeparator()
 				+ "    BackgroundColor tomato" + System.lineSeparator()
 				+ "  }" + System.lineSeparator()
diff --git a/org.contextmapper.dsl.ui/samples/freemarker/csv-files/value-registers.csv.ftl b/org.contextmapper.dsl.ui/samples/freemarker/csv-files/value-registers.csv.ftl
index bfa152fe..a6c75dde 100644
--- a/org.contextmapper.dsl.ui/samples/freemarker/csv-files/value-registers.csv.ftl
+++ b/org.contextmapper.dsl.ui/samples/freemarker/csv-files/value-registers.csv.ftl
@@ -1,4 +1,4 @@
-Value Register,Context,Value Cluster,Core Value,Demonstrators,Related Values,Opposing Values,Value,isCore,Demonstrators,Related Values,Opposing Values,Stakeholder(s),Priority,Impact,Consequence Type,Consequence,Action Type, Action
+Value Register,Context,Value Cluster,Core Value,Demonstrators,Related Values,Opposing Values,Value,coreValue,Demonstrators,Related Values,Opposing Values,Stakeholder(s),Priority,Impact,Consequence Type,Consequence,Action Type, Action
 <#list valueRegisters as valueRegister>
 <#if valueRegister.context?has_content><#assign valueRegisterContext = valueRegister.context.name!""><#else><#assign valueRegisterContext = ""></#if>
 <#list valueRegister.valueClusters as valueCluster>
@@ -32,17 +32,17 @@ ${valueRegister.name},${valueRegisterContext},${valueCluster.name},${valueCluste
 <#if stakeholderElicitation.consequences?has_content>
 <#list stakeholderElicitation.consequences as consequence>
 <#if consequence.action?has_content>
-${valueRegister.name},${valueRegisterContext},${valueCluster.name},${valueClusterCoreValue},${valueClusterDemonstrators},${valueClusterRelatedValues},${valueClusterOpposingValues},${value.name},${value.isCore?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},${consequence.type!""},${consequence.consequence},${consequence.action.type!""},${consequence.action.action!""}
+${valueRegister.name},${valueRegisterContext},${valueCluster.name},${valueClusterCoreValue},${valueClusterDemonstrators},${valueClusterRelatedValues},${valueClusterOpposingValues},${value.name},${value.coreValue?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},${consequence.type!""},${consequence.consequence},${consequence.action.type!""},${consequence.action.action!""}
 <#else>
-${valueRegister.name},${valueRegisterContext},${valueCluster.name},${valueClusterCoreValue},${valueClusterDemonstrators},${valueClusterRelatedValues},${valueClusterOpposingValues},${value.name},${value.isCore?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},${consequence.type!""},${consequence.consequence},,
+${valueRegister.name},${valueRegisterContext},${valueCluster.name},${valueClusterCoreValue},${valueClusterDemonstrators},${valueClusterRelatedValues},${valueClusterOpposingValues},${value.name},${value.coreValue?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},${consequence.type!""},${consequence.consequence},,
 </#if>
 </#list>
 <#else>
-${valueRegister.name},${valueRegisterContext},${valueCluster.name},${valueClusterCoreValue},${valueClusterDemonstrators},${valueClusterRelatedValues},${valueClusterOpposingValues},${value.name},${value.isCore?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},,,,
+${valueRegister.name},${valueRegisterContext},${valueCluster.name},${valueClusterCoreValue},${valueClusterDemonstrators},${valueClusterRelatedValues},${valueClusterOpposingValues},${value.name},${value.coreValue?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},,,,
 </#if>
 </#list>
 <#else>
-${valueRegister.name},${valueRegisterContext},${valueCluster.name},${valueClusterCoreValue},${valueClusterDemonstrators},${valueClusterRelatedValues},${valueClusterOpposingValues},${value.name},${value.isCore?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},,,,,,,,
+${valueRegister.name},${valueRegisterContext},${valueCluster.name},${valueClusterCoreValue},${valueClusterDemonstrators},${valueClusterRelatedValues},${valueClusterOpposingValues},${value.name},${value.coreValue?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},,,,,,,,
 </#if>
 </#list>
 </#list>
@@ -55,17 +55,17 @@ ${valueRegister.name},${valueRegisterContext},${valueCluster.name},${valueCluste
 <#if stakeholderElicitation.consequences?has_content>
 <#list stakeholderElicitation.consequences as consequence>
 <#if consequence.action?has_content>
-${valueRegister.name},${valueRegisterContext},,,,,,${value.name},${value.isCore?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},${consequence.type!""},${consequence.consequence},${consequence.action.type!""},${consequence.action.action!""}
+${valueRegister.name},${valueRegisterContext},,,,,,${value.name},${value.coreValue?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},${consequence.type!""},${consequence.consequence},${consequence.action.type!""},${consequence.action.action!""}
 <#else>
-${valueRegister.name},${valueRegisterContext},,,,,,${value.name},${value.isCore?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},${consequence.type!""},${consequence.consequence},,
+${valueRegister.name},${valueRegisterContext},,,,,,${value.name},${value.coreValue?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},${consequence.type!""},${consequence.consequence},,
 </#if>
 </#list>
 <#else>
-${valueRegister.name},${valueRegisterContext},,,,,,${value.name},${value.isCore?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},,,,
+${valueRegister.name},${valueRegisterContext},,,,,,${value.name},${value.coreValue?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},${stakeholderElicitation.stakeholder.name},${stakeholderElicitation.priority!""},${stakeholderElicitation.impact!""},,,,
 </#if>
 </#list>
 <#else>
-${valueRegister.name},${valueRegisterContext},,,,,,${value.name},${value.isCore?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},,,,,,,,
+${valueRegister.name},${valueRegisterContext},,,,,,${value.name},${value.coreValue?string("yes", "no")},${valueDemonstrators},${valueRelatedValues},${valueOpposingValues},,,,,,,,
 </#if>
 </#list>
 </#list>
\ No newline at end of file
diff --git a/org.contextmapper.dsl/src/org/contextmapper/dsl/ContextMappingDSL.xtext b/org.contextmapper.dsl/src/org/contextmapper/dsl/ContextMappingDSL.xtext
index 5ea354ef..cebd031b 100644
--- a/org.contextmapper.dsl/src/org/contextmapper/dsl/ContextMappingDSL.xtext
+++ b/org.contextmapper.dsl/src/org/contextmapper/dsl/ContextMappingDSL.xtext
@@ -420,7 +420,7 @@ ValueCluster:
 Value:
 	'Value' name=ID (OPEN
 		(
-			(isCore ?= 'isCore')? &
+			(coreValue ?= 'isCore')? &
 			('demonstrator' ('=')? demonstrators += STRING)* &
 			('relatedValue' ('=')? relatedValues += STRING)* &
 			('opposingValue' ('=')? opposingValues += STRING)* &
diff --git a/org.contextmapper.dsl/src/org/contextmapper/dsl/generator/plantuml/value_impact_mapping/value-impact-map-puml.ftl b/org.contextmapper.dsl/src/org/contextmapper/dsl/generator/plantuml/value_impact_mapping/value-impact-map-puml.ftl
index 35bae0a9..def5df58 100644
--- a/org.contextmapper.dsl/src/org/contextmapper/dsl/generator/plantuml/value_impact_mapping/value-impact-map-puml.ftl
+++ b/org.contextmapper.dsl/src/org/contextmapper/dsl/generator/plantuml/value_impact_mapping/value-impact-map-puml.ftl
@@ -9,6 +9,9 @@ mindmapDiagram {
   .green {
     BackgroundColor lightgreen
   }
+  .yellow {
+    BackgroundColor gold
+  }
   .red {
     BackgroundColor tomato
   }
@@ -47,7 +50,7 @@ Impact ${value.impact}
 -- <#if value.consequenceType == "GOOD">Positive Consequences<#elseif value.consequenceType == "BAD">Negative Consequences<#else>Consequences</#if> --
 <i>${value.consequence}</i>
     </#if>
-;<#if value.consequenceType == "GOOD"> <<green>><#elseif value.consequenceType == "BAD"> <<red>></#if>
+;<#if value.consequenceType == "GOOD"> <<green>><#elseif value.consequenceType == "BAD"> <<red>><#else> <<yellow>></#if>
     <#list value.mitigationActions as mitigationAction>
 **** <b>${mitigationAction.actionType}</b>: ${mitigationAction.action}
     </#list>