Preston Pierce
![Preston Pierce](https://uploads.sitepoint.com/wp-content/uploads/2017/05/1494286417170-96x96.png)
Preston Pierce works as a creative head at Go-Globe.hk, one of the leading web development and digital marketing agencies in Hong Kong, where he helps to build effective business websites that convert visitors into customers.
Preston's article
![How to Boost Usability with Intelligent Color Choices](https://uploads.sitepoint.com/wp-content/uploads/2017/05/1494288287featured.jpg)
Preston Pierce shows us how to carefully optimise contrast levels and choose colors that boost usability, accessibility and conversions.