diff --git a/color-module/src/foreign_serializer.rs b/color-module/src/foreign_serializer.rs
new file mode 100644
index 0000000..2a57a39
--- /dev/null
+++ b/color-module/src/foreign_serializer.rs
@@ -0,0 +1,12 @@
+use palette::Oklch;
+use serde::Serializer;
+
+use crate::convert::map_oklch_to_srgb_hex;
+
+pub fn serialize_oklch_to_hex<S>(color: &Oklch, serializer: S) -> Result<S::Ok, S::Error>
+where
+    S: Serializer,
+{
+    let hex_color = map_oklch_to_srgb_hex(color);
+    serializer.serialize_str(&hex_color)
+}