You might have observed that the connector line and icon color changes as you scroll down or up on the timeline. Basically connector and icon change the color as it comes in the viewport.
- The setting can be found under Style (tab) > Connector.
- You will observe two tabs named DEFAULT and FOCUSED.
- DEFAULT tab offers color settings for line and color that will display when they are not focused or hovered.
- FOCUSED tab offers color settings for line and color that will display when you scroll on the timeline. You can set Line Color, Icon Color, and Icon Background Color.
Note: If color for the icon is set from individual timeline item, it will override above color options for the icon. See How to Style Particular Item / Icon?