Update $green hex to match GitLab UI
What does this MR do?
Update $green-
variable hex values to match those in GitLab UI.
Conformity
-
Changelog entry - [-] Documentation (if required)
-
Code review guidelines -
Merge request performance guidelines -
Style guides - [-] Database guides
- [-] Separation of EE specific content
Availability and Testing
N/A
Security
N/A