After clicking button have the wrong background color: #344563
It works fine in 7.2.0-alpha3
Jira Agile - master branch
Aui version - 7.3.0-alpha3
The new color of the opened dropdown was introduced in 7.2.0-beta-2 based on the feedback from the UX team.
According to the pure AUI component, the text is white:
I think you need to check the custom CSS styles applied to the button.