bundle.js
function color(c, group) {
        if (c == null) c = Scatter.defaults.color;
        c = _this3.updateColor(c);
        hasColor++;
        return c;
      }
function color(c, group) {
        if (c == null) c = Scatter.defaults.color;
        c = _this3.updateColor(c);
        hasColor++;
        return c;
      }
function color ( c , group ) { if ( c == null ) c = Scatter . defaults . color ; c = _this3 . updateColor ( c ) ; hasColor ++ ; return c ; }
add colors to palette, save references
add colors to palette save references