diff --git a/config.yaml.in b/config.yaml.in
index f18677d97f5..56483f32f52 100644
--- a/config.yaml.in
+++ b/config.yaml.in
@@ -14,6 +14,7 @@ markup:
 disableLanguages: []
 
 params:
+  colorScheme: light
   author:
     name: "NumPy team"
   images: