Issue description
Trying to change the color for polygon to red, using css value, but getting error
Steps to reproduce and a minimal demo of the problem
<sebm-google-map-polyline [geodesic]="true" [strokeColor]="#FF0000" [strokeOpacity]="0.4">
You can check at plnkr for complete code.
http://plnkr.co/edit/CiS0dwxWdO5T7KYZDuoh?p=preview
Error:

change [strokeColor]="#FF0000" to [strokeColor]="'#FF0000'" (added single quote inside double quote fill fix the issue)
Most helpful comment
change
[strokeColor]="#FF0000"to[strokeColor]="'#FF0000'"(added single quote inside double quote fill fix the issue)