diff --git a/crates/typst/src/geom/color.rs b/crates/typst/src/geom/color.rs
index 5bfb93c3..3801dbab 100644
--- a/crates/typst/src/geom/color.rs
+++ b/crates/typst/src/geom/color.rs
@@ -1409,7 +1409,7 @@ impl Repr for Color {
             }
             Self::Cmyk(c) => {
                 eco_format!(
-                    "rgb({}, {}, {}, {})",
+                    "cmyk({}, {}, {}, {})",
                     Ratio::new(c.c as _).repr(),
                     Ratio::new(c.m as _).repr(),
                     Ratio::new(c.y as _).repr(),
diff --git a/tests/ref/compiler/repr-color-gradient.png b/tests/ref/compiler/repr-color-gradient.png
index 36747d45..95136c1a 100644
Binary files a/tests/ref/compiler/repr-color-gradient.png and b/tests/ref/compiler/repr-color-gradient.png differ