diff --git a/src/candela/util/vega/index.js b/src/candela/util/vega/index.js
index <HASH>..<HASH> 100644
--- a/src/candela/util/vega/index.js
+++ b/src/candela/util/vega/index.js
@@ -206,7 +206,7 @@ let templateFunctions = {
       type: 'linear',
       zero: false,
       domain: {data: params.data, field: params.field},
-      range: ['#dfd', 'green']
+      range: ['#df2709', '#2709df']
     };
   },
Use a red-to-blue default colormap for Vega components