From bb0904f20d1332d5e81332a16178c640b6a0c41d Mon Sep 17 00:00:00 2001
From: Frederic Junod <frederic.junod@camptocamp.com>
Date: Fri, 12 Jan 2018 13:34:03 +0100
Subject: [PATCH] Fix invalid named color detection

If the named color is invalid, the value is not stored into the property.
---
 src/ol/color.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/ol/color.js b/src/ol/color.js
index 2a5cf1f6f6..1f1b1bc713 100644
--- a/src/ol/color.js
+++ b/src/ol/color.js
@@ -45,10 +45,14 @@ export function asString(color) {
 function fromNamed(color) {
   const el = document.createElement('div');
   el.style.color = color;
-  document.body.appendChild(el);
-  const rgb = getComputedStyle(el).color;
-  document.body.removeChild(el);
-  return rgb;
+  if (el.style.color !== '') {
+    document.body.appendChild(el);
+    const rgb = getComputedStyle(el).color;
+    document.body.removeChild(el);
+    return rgb;
+  } else {
+    return '';
+  }
 }