From ef788cb4e26c5a471755dac59d2a8ea6131a22d1 Mon Sep 17 00:00:00 2001
From: Tyler Distad <tyler.distad@gmail.com>
Date: Wed, 2 Dec 2015 18:26:23 -0500
Subject: [PATCH] Pie chart slices support transparent rgba() colors

---
 src/traces/pie/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/traces/pie/index.js b/src/traces/pie/index.js
index ecd6b68f998..9958c3055d5 100644
--- a/src/traces/pie/index.js
+++ b/src/traces/pie/index.js
@@ -152,7 +152,7 @@ pie.calc = function(gd, trace) {
 
         color = tinycolor(trace.marker.colors[i]);
         if(color.isValid()) {
-            color = Plotly.Color.tinyRGB(color);
+            color = Plotly.Color.addOpacity(color, color.getAlpha())
             if(!colorMap[label]) {
                 colorMap[label] = color;
             }