diff --git a/pkg/colors/luminance_test.go b/pkg/colors/luminance_test.go
new file mode 100644
index 000000000..b7409ad65
--- /dev/null
+++ b/pkg/colors/luminance_test.go
@@ -0,0 +1,12 @@
+package colors
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestLuminance_Hex(t *testing.T) {
+	lum := Luminance(1)
+	assert.Equal(t, "1", lum.Hex())
+
+}