diff --git a/src/c3nav/mapdata/render/engines/base.py b/src/c3nav/mapdata/render/engines/base.py
index 630380c0..e8df5137 100644
--- a/src/c3nav/mapdata/render/engines/base.py
+++ b/src/c3nav/mapdata/render/engines/base.py
@@ -68,7 +68,7 @@ class RenderEngine(ABC):
         pass
 
     def add_geometry(self, geometry, fill: Optional[FillAttribs] = None, stroke: Optional[StrokeAttribs] = None,
-                     altitude=None, height=None, shape_cache_key=None, category=None, item=None):
+                     altitude=None, height=None, shadow_color=None, shape_cache_key=None, category=None, item=None):
         # draw a shapely geometry with a given style
         # altitude is the absolute altitude of the upper bound of the element
         # height is the height of the element
@@ -78,12 +78,12 @@ class RenderEngine(ABC):
         if geometry.is_empty:
             return
 
-        self._add_geometry(geometry=geometry, fill=fill, stroke=stroke, altitude=altitude, height=height,
+        self._add_geometry(geometry=geometry, fill=fill, stroke=stroke, altitude=altitude, height=height, shadow_color=shadow_color,
                            shape_cache_key=shape_cache_key, category=category, item=item)
 
     @abstractmethod
     def _add_geometry(self, geometry, fill: Optional[FillAttribs], stroke: Optional[StrokeAttribs],
-                      altitude=None, height=None, shape_cache_key=None, category=None, item=None):
+                      altitude=None, height=None, shadow_color=None, shape_cache_key=None, category=None, item=None):
         pass
 
     def set_mesh_lookup_data(self, data):
diff --git a/src/c3nav/mapdata/render/engines/svg.py b/src/c3nav/mapdata/render/engines/svg.py
index 129214a5..ea7fb922 100644
--- a/src/c3nav/mapdata/render/engines/svg.py
+++ b/src/c3nav/mapdata/render/engines/svg.py
@@ -196,7 +196,7 @@ class SVGEngine(RenderEngine):
         self.clip_path_i += 1
         return defid
 
-    def add_shadow(self, geometry, elevation, clip_path=None):
+    def add_shadow(self, geometry, elevation, color, clip_path=None):
         # add a shadow for the given geometry with the given elevation and, optionally, a clip path
         elevation = float(min(elevation, 2))
         blur_radius = elevation / 3 * 0.25
@@ -215,7 +215,7 @@ class SVGEngine(RenderEngine):
                           '</filter>')
             self.blurs.add(elevation)
 
-        attribs = ' filter="url(#'+blur_id+')" fill="#000" fill-opacity="0.2"'
+        attribs = ' filter="url(#'+blur_id+')" fill="'+(color or '#000')+'" fill-opacity="0.2"'
         if clip_path:
             attribs += ' clip-path="url(#'+self.register_clip_path(clip_path)+')"'
         shadow = self._create_geometry(shadow_geom, attribs)
@@ -237,7 +237,7 @@ class SVGEngine(RenderEngine):
             self.add_geometry(geometry=area, fill=FillAttribs('#000000', 0.1), category='darken')
 
     def _add_geometry(self, geometry, fill: Optional[FillAttribs], stroke: Optional[StrokeAttribs],
-                      altitude=None, height=None, shape_cache_key=None, **kwargs):
+                      altitude=None, height=None, shadow_color=None, shape_cache_key=None, **kwargs):
         geometry = self.buffered_bbox.intersection(unwrap_hybrid_geom(geometry))
 
         if geometry.is_empty:
@@ -268,15 +268,15 @@ class SVGEngine(RenderEngine):
                 if altitude is not None or height is not None:
                     if height is not None:
                         if height:
-                            self.add_shadow(geometry, height)
+                            self.add_shadow(geometry, height, '#000')
                     else:
                         for other_altitude, other_geom in self.altitudes.items():
                             self.add_shadow(geometry, altitude-other_altitude, clip_path=other_geom)
 
-                    self.clip_altitudes(geometry, altitude)
+                    self.clip_altitudes(geometry, altitude, '#000')
             else:
                 if height is not None:
-                    self.add_shadow(geometry, height)
+                    self.add_shadow(geometry, height, shadow_color)
 
             element = self._create_geometry(geometry, attribs, cache_key=shape_cache_key)
 
diff --git a/src/c3nav/mapdata/render/renderer.py b/src/c3nav/mapdata/render/renderer.py
index d5dc156e..d76d5b04 100644
--- a/src/c3nav/mapdata/render/renderer.py
+++ b/src/c3nav/mapdata/render/renderer.py
@@ -141,7 +141,7 @@ class MapRenderer:
                 engine.add_geometry(
                     walls.filter(bottom=not not_full_levels,
                                  top=not walls_extended),
-                    height=geoms.default_height, fill=FillAttribs(color_manager.wall_fill), category='walls'
+                    height=geoms.default_height, shadow_color=color_manager.wall_border, fill=FillAttribs(color_manager.wall_fill), category='walls'
                 )
 
             for short_wall in geoms.short_walls: