Background color picker of portlet's look and feel displays partly

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.0.0 M3
• Fix Version/s: 6.2.2 CE GA3 , 6.2.X EE, 7.0.0 M1
• Component/s: Frontend Infrastructure
• Labels:
  • liferay-fixpack-wcm-core-13-6210
• Environment: Tomcat 7.0.42 + MySQL 5.5.29. Portal master GIT ID: 7bd7a867c4eb572ac77180a9995964e6aa74d418.
• Branch Version/s:
  6.2.x
• Backported to Branch:
  Committed
• Story Points: 8
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/18119

Steps to reproduce:

1. Login in to Liferay.
2. Configure the portlet's look and feel.
3. Go to Background Styles > Click Background Color.

Actual result:
Background color picker displays partly. It works well after being saved.

Expected result:
All colors display in the field.