diff --git a/crates/ecolor/src/hsva.rs b/crates/ecolor/src/hsva.rs
index 02ffd67d..8388e413 100644
--- a/crates/ecolor/src/hsva.rs
+++ b/crates/ecolor/src/hsva.rs
@@ -4,6 +4,7 @@ use crate::{
 
 /// Hue, saturation, value, alpha. All in the range [0, 1].
 /// No premultiplied alpha.
+#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 #[derive(Clone, Copy, Debug, Default, PartialEq)]
 pub struct Hsva {
     /// hue 0-1