diff --git a/dashboard/src/ui.rs b/dashboard/src/ui.rs
index 7b19821..68400b1 100644
--- a/dashboard/src/ui.rs
+++ b/dashboard/src/ui.rs
@@ -47,9 +47,9 @@ pub fn apply_theme(app: &AppWindow, entities: &Vec<HassEntity>) {
             && let Ok(illuminance) = entity.state.parse::<i32>()
         {
             let mut color_scheme = app.get_color_scheme();
-            if illuminance < 250 {
+            if illuminance < 150 {
                 color_scheme = ColorScheme::Dark;
-            } else if illuminance > 450 {
+            } else if illuminance > 300 {
                 color_scheme = ColorScheme::Light;
             }