Edit Row Color in the Timeline

In an open package, navigate to the row you wish edit.

Control + Click (right click) the row to edit and select Edit Row.

To edit multiple rows at once, select the rows to edit by using command select and then control click > edit row.

Select the color box.

Pick the color you want the row to be.

You can use any of the color picker options provided to find the color you need.

Once the color is selected, the row will change to that color.