custom color search field

Hi Greg,

just a question:
Is it posible to ad a custom sarch field like this:
https://137842-399165-1-raikfcquaxqncofqfm.stackpathdns.com/wp-content/uploads/2020/06/search-input-settings.png

Users can choose the color from a dropdown in the add ad form.
In the frontend search bar should be displayed clickable color fields.

Best
Sven