1 files changed, 6 insertions, 1 deletions
diff --git a/src/mbgl/style/expression/compound_expression.cpp b/src/mbgl/style/expression/compound_expression.cpp
index 70bc6dfd95..e5f849144b 100644
--- a/src/mbgl/style/expression/compound_expression.cpp
+++ b/src/mbgl/style/expression/compound_expression.cpp
@@ -216,7 +216,12 @@ std::unordered_map<std::string, CompoundExpressionRegistry::Definition> initiali
         );
     });
     define("to-rgba", [](const Color& color) -> Result<std::array<double, 4>> {
-        return std::array<double, 4> {{ color.r, color.g, color.b, color.a }};
+        return std::array<double, 4> {{ 
+            255 * color.r / color.a, 
+            255 * color.g / color.a,
+            255 * color.b / color.a, 
+            color.a 
+        }};
     });
     
     define("rgba", rgba);