If you want to set the Learndash color same as the demo, use the following color code options.

• Move to your site Dashboard menu head over to LearnDash LMS >> Settings >> General. The settings we have selected in the demo are:
• Active Template: 3.0
• Accent Color: #fc7d00
• Progress Color: #42495b
• Notification, Warning etc: #fc7d00
• Focus Mode: Off by Default. Turn On if you want to enable focus mode.
• Login and Registration: Enabled
• Logo Upload: Add your log here.
• Video Responsive CSS: Enabled.
• Save all the changes.