Fix off-by-one.

pebsconsulting · Apr 29, 2014 · e92e4fe · e92e4fe
1 parent de6aac8
commit e92e4fe
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/cubehelix/cubehelix.js b/cubehelix/cubehelix.js
@@ -14,9 +14,9 @@ d3.scale.cubehelix = function() {
         g = λ + a * (-0.29227 * Math.cos(φ) - 0.90649 * Math.sin(φ)),
         b = λ + a * (+1.97294 * Math.cos(φ));
     return d3.rgb(
-      (r <= 0 ? 0 : r >= 1 ? 1 : r) * 256 | 0,
-      (g <= 0 ? 0 : g >= 1 ? 1 : g) * 256 | 0,
-      (b <= 0 ? 0 : b >= 1 ? 1 : b) * 256 | 0
+      (r <= 0 ? 0 : r >= 1 ? 1 : r) * 255 | 0,
+      (g <= 0 ? 0 : g >= 1 ? 1 : g) * 255 | 0,
+      (b <= 0 ? 0 : b >= 1 ? 1 : b) * 255 | 0
     );
   }