Change Katalon Studio Theme
Requirements
Katalon Studio version 6.3.0 onwards.
Enable Dark theme in Katalon Studio
By default, Katalon Studio has the Light theme applied. To enable the Dark theme, go to Window > Themes > Dark.
To switch back to the Light theme, go to Window > Themes > Light.
Restart Katalon Studio to apply the new theme.
Light theme.
Dark theme.