I wonder if it\'s possible to assign a \"dynamic\" color in storyboard.
Since iOS7 you can use a tintColor and change it programmatically via the tintColor of the keyWin
Using asset catalog colors in Storyboards
Using asset catalog colors in a Storyboard or an Interface Builder file is pretty straightforward. All color fields, including view background colors, label text colors, should display the colors you defined in the asset catalog under the “Named Colors” section.
Now, access it in storyboard in color palettes
Reference: https://blog.zeplin.io/asset-catalog-colors-on-xcode-9-c4fdccc0381a