Resolve "Change icon and color of issue statuses in related issues and epic issues"

app/assets/javascripts/issuable/related_issues/mixins/related_issues_mixin.js

@@ -63,7 +63,7 @@ const mixins = {
       return this.title.length > 0;
     },
     iconName() {
-      return this.isOpen ? 'issue-open-m' : 'cut';
+      return this.isOpen ? 'issue-open' : 'issue-close';
     },
     iconClass() {
       return this.isOpen ? 'issue-token-state-icon-open' : 'issue-token-state-icon-closed';

app/assets/stylesheets/pages/issues.scss

@@ -321,11 +321,11 @@ ul.related-merge-requests > li {
 }
 
 .issue-token-state-icon-open {
-  color: $green-600;
+  color: $green-500;
 }
 
 .issue-token-state-icon-closed {
-  color: $red-600;
+  color: $blue-500;
 }
 
 .issue-token-title {