JavaScriptCollection
diff --git a/‎d3.js‎
Lines changed: 3 additions & 1 deletion b/‎d3.js‎
Lines changed: 3 additions & 1 deletion
@@ -1677,7 +1677,9 @@
         }
       }
     }
-    if (color = d3_rgb_names.get(format)) return rgb(color.r, color.g, color.b);
+    if (typeof format === "string") {
+      if (color = d3_rgb_names.get(format.toLowerCase())) return rgb(color.r, color.g, color.b);
+    }
     if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) {
       if (format.length === 4) {
         r = (color & 3840) >> 4;
Original file line number	Diff line number	Diff line change
`@@ -1677,7 +1677,9 @@`
`1677`	`1677`	`}`
`1678`	`1678`	`}`
`1679`	`1679`	`}`
`1680`		`- if (color = d3_rgb_names.get(format)) return rgb(color.r, color.g, color.b);`
	`1680`	`+ if (typeof format === "string") {`
	`1681`	`+ if (color = d3_rgb_names.get(format.toLowerCase())) return rgb(color.r, color.g, color.b);`
	`1682`	`+ }`
`1681`	`1683`	`if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) {`
`1682`	`1684`	`if (format.length === 4) {`
`1683`	`1685`	`r = (color & 3840) >> 4;`