diff --git a/ports/geckolib/properties.mako.rs b/ports/geckolib/properties.mako.rs
index 90f74f9eb15..683eab3c0d6 100644
--- a/ports/geckolib/properties.mako.rs
+++ b/ports/geckolib/properties.mako.rs
@@ -476,11 +476,13 @@ fn static_assert() {
 </%self:impl_trait>
 
 <%self:impl_trait style_struct_name="Outline"
-                  skip_longhands="outline-style"
+                  skip_longhands="outline-color outline-style"
                   skip_additionals="*">
 
     <% impl_keyword("outline_style", "mOutlineStyle", border_style_keyword, need_clone=True) %>
 
+    <% impl_color("outline_color", "mOutlineColor", color_flags_ffi_name="mOutlineStyle") %>
+
     fn outline_has_nonzero_width(&self) -> bool {
         self.gecko.mCachedOutlineWidth != 0
     }
@@ -546,6 +548,12 @@ fn static_assert() {
 
 </%self:impl_trait>
 
+<%self:impl_trait style_struct_name="Background" skip_longhands="background-color" skip_additionals="*">
+
+    <% impl_color("background_color", "mBackgroundColor") %>
+
+</%self:impl_trait>
+
 <%self:impl_trait style_struct_name="Text"
                   skip_longhands="text-decoration-color"
                   skip_additionals="*">