diff --git a/app/helpers/blazer/base_helper.rb b/app/helpers/blazer/base_helper.rb
index 0c9bf3e62..05c236360 100644
--- a/app/helpers/blazer/base_helper.rb
+++ b/app/helpers/blazer/base_helper.rb
@@ -50,7 +50,7 @@ def blazer_format_annotations(annotations)
           xScaleID: "x-axis-0",
           xMin: annotation[:min_date],
           xMax: annotation[:max_date],
-          backgroundColor: blazer_map_annotation_box_colors(index),
+          backgroundColor: annotation[:color] || blazer_map_annotation_box_colors(index),
         }
       end
 
@@ -61,7 +61,7 @@ def blazer_format_annotations(annotations)
           value: annotation[:min_date],
           mode: "vertical",
           scaleID: "x-axis-0",
-          borderColor: '#00000050',
+          borderColor: annotation[:color] || '#00000050',
           drawTime: "afterDatasetsDraw",
           label: {
             content: annotation[:label],