Update README.md

Author: JaZo

README.md

@@ -7,7 +7,7 @@
 [![Build Status](https://travis-ci.com/swisnl/json-api-client.svg?branch=master)](https://travis-ci.com/github/swisnl/json-api-client)
 [![Scrutinizer Coverage](https://img.shields.io/scrutinizer/coverage/g/swisnl/json-api-client.svg)](https://scrutinizer-ci.com/g/swisnl/json-api-client/?branch=master)
 [![Scrutinizer Code Quality](https://img.shields.io/scrutinizer/g/swisnl/json-api-client.svg)](https://scrutinizer-ci.com/g/swisnl/json-api-client/?branch=master)
-[![Made by SWIS](https://img.shields.io/badge/%F0%9F%9A%80-made%20by%20SWIS-%23D9021B.svg)](https://www.swis.nl)
+[![Made by SWIS](https://img.shields.io/badge/%F0%9F%9A%80-made%20by%20SWIS-%230737A9.svg)](https://www.swis.nl)
 
 A PHP package for mapping remote [JSON:API](http://jsonapi.org/) resources to Eloquent like models and collections.