Shared Color
Using shared color same color across different layers and timelines can be reused. The color is created as property in generated code so you can still change the color using Xcode.
To add a new shared color, click at a middle of color well, then click ‘Add new color…’, then rename the color keyboard and press enter to finish adding shared color.
To show only color panel without showing shared color popup, click indicator at the right of color well.