diff --git a/resources/css/editor-content/color-taxonomy-scheme.css b/resources/css/editor-content/color-taxonomy-scheme.css
index 999e063..5dc26bd 100644
--- a/resources/css/editor-content/color-taxonomy-scheme.css
+++ b/resources/css/editor-content/color-taxonomy-scheme.css
@@ -826,6 +826,10 @@ body.duurzaamheid,
 .filter-secondary {
   filter: invert(17%) sepia(69%) saturate(4735%) hue-rotate(351deg) brightness(94%) contrast(94%);
 }
+.filter-primary {
+  filter: invert(17%) sepia(7%) saturate(6574%) hue-rotate(235deg) brightness(106%) contrast(137%);
+}
+
 .thematique-tag {
   &--isolation,
   &--isolatie,