diff --git a/tests/test_color_triplet.py b/tests/test_color_triplet.py
new file mode 100644
index 00000000..4a592c86
--- /dev/null
+++ b/tests/test_color_triplet.py
@@ -0,0 +1,16 @@
+from rich.color_triplet import ColorTriplet
+
+
+def test_hex():
+    assert ColorTriplet(255, 255, 255).hex == "#ffffff"
+    assert ColorTriplet(0, 255, 0).hex == "#00ff00"
+
+
+def test_rgb():
+    assert ColorTriplet(255, 255, 255).rgb == "rgb(255,255,255)"
+    assert ColorTriplet(0, 255, 0).rgb == "rgb(0,255,0)"
+
+
+def test_normalized():
+    assert ColorTriplet(255, 255, 255).normalized == (1.0, 1.0, 1.0)
+    assert ColorTriplet(0, 255, 0).normalized == (0.0, 1.0, 0.0)