diff --git a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/ModelConstants.java b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/ModelConstants.java
index 68e37b9b7..1a0117fb9 100644
--- a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/ModelConstants.java
+++ b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/ModelConstants.java
@@ -18,6 +18,9 @@ public class ModelConstants {
 	public static final String PUBMED_CENTRAL_ID = "10|opendoar____::eda80a3d5b344bc40f3bc04f65b7a357";
 	public static final String ARXIV_ID = "10|opendoar____::6f4922f45568161a8cdf4ad2299f6d23";
 
+	//VOCABULARY VALUE
+	public static final String ACCESS_RIGHT_OPEN = "OPEN";
+
 	public static final String DNET_SUBJECT_TYPOLOGIES = "dnet:subject_classification_typologies";
 	public static final String DNET_RESULT_TYPOLOGIES = "dnet:result_typologies";
 	public static final String DNET_PUBLICATION_RESOURCE = "dnet:publication_resource";
diff --git a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/uw/UnpayWallToOAF.scala b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/uw/UnpayWallToOAF.scala
index a26f57f0f..7119bbc12 100644
--- a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/uw/UnpayWallToOAF.scala
+++ b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/uw/UnpayWallToOAF.scala
@@ -1,7 +1,8 @@
 package eu.dnetlib.doiboost.uw
 
+import eu.dnetlib.dhp.schema.common.ModelConstants
 import eu.dnetlib.dhp.schema.oaf.utils.IdentifierFactory
-import eu.dnetlib.dhp.schema.oaf.{Instance, Publication}
+import eu.dnetlib.dhp.schema.oaf.{AccessRight, Instance, OpenAccessRoute, Publication}
 import org.json4s
 import org.json4s.DefaultFormats
 import org.json4s.jackson.JsonMethods.parse
@@ -21,6 +22,31 @@ case class OALocation(evidence:Option[String], host_type:Option[String], is_best
 object UnpayWallToOAF {
   val logger: Logger = LoggerFactory.getLogger(getClass)
 
+  def get_color(is_oa:Boolean, location: OALocation, journal_is_oa:Boolean):Option[OpenAccessRoute] = {
+    if (is_oa) {
+      if (location.host_type.isDefined) {
+        {
+          if (location.host_type.get.equalsIgnoreCase("repository"))
+            return Some(OpenAccessRoute.green)
+          else if (location.host_type.get.equalsIgnoreCase("publisher")) {
+            if (journal_is_oa)
+              return Some(OpenAccessRoute.gold)
+            else {
+              if (location.license.isDefined)
+                return Some(OpenAccessRoute.hybrid)
+              else
+                return Some(OpenAccessRoute.bronze)
+            }
+
+          }
+        }
+
+      }
+    }
+    None
+  }
+
+
   def convertToOAF(input:String):Publication = {
     val pub = new Publication
 
@@ -32,13 +58,17 @@ object UnpayWallToOAF {
 
     val is_oa = (json\ "is_oa").extract[Boolean]
 
+    val journal_is_oa= (json\ "journal_is_oa").extract[Boolean]
+
     val oaLocation:OALocation = (json \ "best_oa_location").extractOrElse[OALocation](null)
+
+    val colour = get_color(is_oa, oaLocation, journal_is_oa)
     pub.setPid(List(createSP(doi, "doi", PID_TYPES)).asJava)
 
     //IMPORTANT
     //The old method pub.setId(IdentifierFactory.createIdentifier(pub))
     //will be replaced using IdentifierFactory
-    pub.setId(generateIdentifier(pub, doi.toLowerCase))
+    //pub.setId(generateIdentifier(pub, doi.toLowerCase))
     pub.setId(IdentifierFactory.createIdentifier(pub))
 
 
@@ -61,8 +91,18 @@ object UnpayWallToOAF {
 
     if (oaLocation.license.isDefined)
       i.setLicense(asField(oaLocation.license.get))
-    pub.setInstance(List(i).asJava)
 
+
+    // Ticket #6282 Adding open Access Colour
+    if (colour.isDefined) {
+      val a = new AccessRight
+      a.setClassid(ModelConstants.ACCESS_RIGHT_OPEN)
+      a.setClassname(ModelConstants.ACCESS_RIGHT_OPEN)
+      a.setSchemeid(ModelConstants.DNET_ACCESS_MODES)
+      a.setSchemename(ModelConstants.DNET_ACCESS_MODES)
+      a.setOpenAccessRoute(colour.get)
+    }
+    pub.setInstance(List(i).asJava)
     pub
 
   }