adjust unselected.line.color dflt

Author: archmoj

src/traces/parcoords/attributes.js

@@ -139,7 +139,7 @@ module.exports = {
         line: {
             color: {
                 valType: 'color',
-                dflt: '#777',
+                dflt: '',
                 editType: 'plot',
                 description: 'Sets the color of unselected lines.'
             },

src/traces/parcoords/parcoords.js

@@ -150,7 +150,7 @@ function model(layout, d, i) {
     var lineColor = helpers.convertTypedArray(cd0.lineColor);
     var line = trace.line;
     var deselectedLines = {
-        color: rgba(trace.unselected.line.color),
+        color: rgba(trace.unselected.line.color || '#777'),
         opacity: trace.unselected.line.opacity
     };
     var cOpts = Colorscale.extractOpts(line);

test/plot-schema.json

@@ -40360,7 +40360,7 @@
      "line": {
       "color": {
        "description": "Sets the color of unselected lines.",
-       "dflt": "#777",
+       "dflt": "",
        "editType": "plot",
        "valType": "color"
       },