diff --git a/tinycolor.js b/tinycolor.js
index 57c7ac5..1155e2d 100644
--- a/tinycolor.js
+++ b/tinycolor.js
@@ -604,6 +604,11 @@ function spin(color, amount) {
 
 function complement(color) {
     var hsl = tinycolor(color).toHsl();
+    if (hsl.l === 1) {
+      hsl.l = 0;
+    } else if (hsl.l === 0) {
+      hsl.l = 1;
+    }
     hsl.h = (hsl.h + 180) % 360;
     return tinycolor(hsl);
 }