diff --git a/README.md b/README.md
index 5b6c841af4520eed79e3443052c501f0ac4999cb..53ea6a37187e786c04a4cb8f5583ebcdd16e377d 100644
--- a/README.md
+++ b/README.md
@@ -7,4 +7,4 @@ you can access the map using the link: https://transfer.hft-stuttgart.de/pages/h
 
 To add your study area please edit the pins.csv file and push the edits. you can convert adress to Lat, Lon using this website: https://www.latlong.net/convert-address-to-lat-long.html
 
-you can assign a uniqure color to your pins :) 
+you can assign a uniqure color (HEX format) to your pins :) This could help https://imagecolorpicker.com