You might be interested in these PCFs
PCF MDA Background Change Textfield
A control to set the background to any rgb colour to a text field in your model driven app.
PCF MDA Background Change Whole Number Field
A control to set the background to any rgb colour to a Whole Number field in your model driven app.
PCF MDA Background Change Date Only Field
A control to set the background to any rgb colour to a Date Only field in your model driven app.
Colorful Optionset
A control to replace optionsets reflecting the color provided during the customization.

