diff --git a/bin/xmet-spc-render b/bin/xmet-spc-render
index 007bb12..2998f9c 100755
--- a/bin/xmet-spc-render
+++ b/bin/xmet-spc-render
@@ -84,7 +84,7 @@ args = argparser.parse_args()
 config = Config.load()
 db     = Database.from_config(config)
 
-conus  = SPCOutlookMap()
+conus  = SPCOutlookMap(args.dark)
 
 if args.file is None:
     outlook = SPCOutlook.for_timestamp(db, args.valid, args.day)
diff --git a/lib/xmet/spc.py b/lib/xmet/spc.py
index 76da8ff..2a5228b 100644
--- a/lib/xmet/spc.py
+++ b/lib/xmet/spc.py
@@ -647,15 +647,23 @@ class SPCOutlookLegend():
 
         return self.width, self.height
 
-    def draw_item(self, cr: cairo.Context, key: str, x: float, y: float):
+    def draw_item(self,
+                  cr: cairo.Context,
+                  key: str,
+                  x: float,
+                  y: float,
+                  dark: bool=False):
         cr.save()
 
         cr.set_source_rgb(*self.colors[key])
         cr.rectangle(x, y, self.COLOR_WIDTH, self.COLOR_HEIGHT)
         cr.fill()
 
+        color = (1, 1, 1) if dark else (0, 0, 0)
+
+        cr.set_source_rgb(*color)
+
         cr.set_line_width(1)
-        cr.set_source_rgb(0, 0, 0)
         cr.rectangle(x, y, self.COLOR_WIDTH, self.COLOR_HEIGHT)
         cr.stroke()
 
@@ -666,11 +674,12 @@ class SPCOutlookLegend():
         cr.move_to(x + self.COLOR_WIDTH + self.MARGIN,
                    y + self.COLOR_WIDTH / 2 + extents.height / 2)
 
+        cr.set_source_rgb(*color)
         cr.show_text(text)
 
         cr.restore()
 
-    def draw(self, cr: cairo.Context, x: float, y: float):
+    def draw(self, cr: cairo.Context, x: float, y: float, dark: bool=False):
         cr.save()
 
         cr.select_font_face(self.FONT_FACE,
@@ -679,7 +688,11 @@ class SPCOutlookLegend():
 
         cr.set_font_size(self.FONT_SIZE)
 
-        cr.set_source_rgba(0.2, 0.2, 0.2, 0.1)
+        if dark:
+            cr.set_source_rgba(0.2, 0.2, 0.2, 0.8)
+        else:
+            cr.set_source_rgba(0.2, 0.2, 0.2, 0.1)
+
         draw_rounded_rect(cr, x, y, self.width, self.height, self.RADIUS)
 
         cr.fill()
@@ -692,7 +705,7 @@ class SPCOutlookLegend():
 
             item_y = y + self.MARGIN + i * (self.COLOR_HEIGHT + self.MARGIN)
 
-            self.draw_item(cr, key, x + self.MARGIN, item_y)
+            self.draw_item(cr, key, x + self.MARGIN, item_y, dark)
 
             i += 1
 
@@ -727,7 +740,7 @@ class SPCOutlookMap(EquirectMap):
         None: ( 20/255.0,  20/255.0,  20/255.0),
     }
 
-    def __init__(self):
+    def __init__(self, dark: bool=False):
         super().__init__(*MAP_SCREEN_DIMENSIONS, MAP_BOUNDS)
 
         self.hatched_surface = cairo.RecordingSurface(cairo.CONTENT_COLOR_ALPHA,
@@ -739,6 +752,8 @@ class SPCOutlookMap(EquirectMap):
         cr.line_to(4, 4)
         cr.stroke()
 
+        self.dark = dark
+
     def draw_legend(self,
                     cr: cairo.Context,
                     kind: SPCOutlookType):
@@ -772,7 +787,7 @@ class SPCOutlookMap(EquirectMap):
         x = self.width  - 3 * self.MARGIN - size[0]
         y = self.height - 6 * self.MARGIN - size[1]
 
-        legend.draw(cr, x, y)
+        legend.draw(cr, x, y, self.dark)
 
     def draw_logo(self, cr: cairo.Context, path: str):
         cr.save()
@@ -808,6 +823,11 @@ class SPCOutlookMap(EquirectMap):
         x = self.width  - extents.width - 48
         y = self.height - extents.height - 16
 
+        if self.dark:
+            cr.set_source_rgb(1, 1, 1)
+        else:
+            cr.set_source_rgb(0, 0, 0)
+
         cr.move_to(x, y)
         cr.show_text(text)
 
@@ -826,11 +846,19 @@ class SPCOutlookMap(EquirectMap):
         x = self.width - extents.width - 32
         y = 8 + extents.height
 
-        cr.set_source_rgba(1, 1, 1, 0.8)
+        if self.dark:
+            cr.set_source_rgba(0, 0, 0, 0.2)
+        else:
+            cr.set_source_rgba(1, 1, 1, 0.8)
+
         cr.rectangle(x - 4, y - 3, extents.width + 8, extents.height + 8)
         cr.fill()
 
-        cr.set_source_rgb(0, 0, 0)
+        if self.dark:
+            cr.set_source_rgb(1, 1, 1)
+        else:
+            cr.set_source_rgb(0, 0, 0)
+
         cr.move_to(x, y + extents.height)
         cr.show_text(text)