Feature: Color preview on variables

Any chances we could get a color preview on variables as well?

Currently: 
<img width="348" alt="image" src="https://user-images.githubusercontent.com/15794425/226401374-925b7bf3-21b7-40ed-9efc-da71fae344de.png">

Color preview when giving hexa colors:
<img width="318" alt="image" src="https://user-images.githubusercontent.com/15794425/226401586-9a7226f6-46b4-459d-ab96-b9cf8f6a0a41.png">
