diff --git a/test/test1.json b/test/test1.json
index 65211e304b51c8e603b53bac6f883762211705c1..59285f9a39419c1e183fc8f37a530153e7155d32 100644
--- a/test/test1.json
+++ b/test/test1.json
@@ -3,7 +3,7 @@
     "segmentation_folder": "../test_data/ttA_2877_NOP",
     "alignment_json": "../test_data/ttA_2877_NOP_horizontal_final_2017.json",
     "nonlinear": true,
-    "colour": [255, 0, 255],
+    "colour": [0, 0, 255],
     "points_json_path": "../outputs/test1_points.json",
     "counts_per_label_name": "../outputs/test1_counts_per_allenID_2017.csv"
 }
\ No newline at end of file