diff --git a/frontend/src/components/shared/NavBar.vue b/frontend/src/components/shared/NavBar.vue
index 18b98d915..2999ca27b 100644
--- a/frontend/src/components/shared/NavBar.vue
+++ b/frontend/src/components/shared/NavBar.vue
@@ -149,23 +149,6 @@ onMounted(() => {
 </script>
 
 <style lang="scss" scoped>
-.v-list-item {
-  &--active {
-    &::before {
-      opacity: 0;
-    }
-    background-color: #034bad !important;
-    color: white;
-    opacity: 1;
-  }
-}
-
-.v-list-subheader {
-  &__text {
-    color: white !important;
-  }
-}
-
 .logo {
   cursor: pointer;
 }
diff --git a/frontend/src/components/tools/ParametersForm.vue b/frontend/src/components/tools/ParametersForm.vue
index 1393fdfcd..710bbb36f 100644
--- a/frontend/src/components/tools/ParametersForm.vue
+++ b/frontend/src/components/tools/ParametersForm.vue
@@ -71,6 +71,7 @@
                   <v-color-picker
                     v-else-if="param.widget === 'ColorPicker'"
                     v-model="parameters[param.name]"
+                    mode="hexa"
                     :hint="param.help_text"
                     persistent-hint
                     :error="formErrors[param.name] !== undefined"