diff --git a/palette-generator/Stylix/Palette.hs b/palette-generator/Stylix/Palette.hs
index 2d46e86..d6d3794 100644
--- a/palette-generator/Stylix/Palette.hs
+++ b/palette-generator/Stylix/Palette.hs
@@ -11,8 +11,8 @@ import qualified Data.Vector as V
 import System.Random ( randomRIO )
 
 -- Adjust value according to coefficients
-adjustValue :: Float -> Float->  Float -> Float -> Int
-adjustValue v a b x = round (v*(a*x+b))
+adjustValue :: Double -> Double->  Double -> Double -> Double
+adjustValue v a b x = v*(a*x+b)
 
 -- | Extract the primary scale from a pallete.
 primary :: V.Vector a -> V.Vector a