diff --git a/src/color.hh b/src/color.hh
index 943678e..3d4f06a 100644
--- a/src/color.hh
+++ b/src/color.hh
@@ -48,7 +48,7 @@ struct Color
 
     constexpr Color() : Color{Default} {}
     constexpr Color(NamedColor c) : color{c} {}
-    constexpr Color(unsigned char r, unsigned char g, unsigned char b, unsigned char a = 255)
+    Color(unsigned char r, unsigned char g, unsigned char b, unsigned char a = 255)
         : a{a}, r{r}, g{g}, b{b}
     {
         validate_alpha();