diff --git a/palette-generator/Stylix/Palette.hs b/palette-generator/Stylix/Palette.hs
index bce7f51..c2857d7 100644
--- a/palette-generator/Stylix/Palette.hs
+++ b/palette-generator/Stylix/Palette.hs
@@ -48,7 +48,7 @@ instance Species (String,Float,Float, Image PixelRGB8) (V.Vector LAB) where
     colour <- randomFromImage image
     return $ palette // [(index, colour)]
 
-  fitness (polarity,_,_, _) palette
+  fitness (polarity,primaryScaleDark,primaryScaleLight, _) palette
     = realToFrac $ accentDifference - (primarySimilarity/10) - scheme
       where
         -- The primary scale should use similar colours, to an extent.
@@ -86,7 +86,7 @@ instance Species (String,Float,Float, Image PixelRGB8) (V.Vector LAB) where
         The accent colours are slightly darker.
         -}
         lightScheme
-          = lightnessError (V.fromList [90, 70, 55, 35, 25, 10, 5, 5]) 40
+          = lightnessError (V.fromList [adjustValue(90.0,0.889,0.111,primaryScaleLight), 70, 55, 35, 25, 10, 5, 5]) 40
 
         -- 0.2, 0.133,0.178,0.85,0.93,0.88,1.0,1.0 for 0.1 scale
         -- f(x) = ax+b for multiplier (light)