If you are uncertain on how to create the colour int object, you can use the Color Object instead.

Importing the package

Link to importing-the-package

It might be required for you to import the package if you encounter any issues, so better be safe than sorry and add the import.
import mods.contenttweaker.Color;

Static Methods are called on the package name and not on the Object itself.
All these Methods return a Color Object.

ZenMethodParameter Type
ZenMethod
fromInt(color)
Parameter Type
int
ZenMethod
fromHex(color)
Parameter Type
string

Nonstatic Methods

Link to nonstatic-methods

Nonstatic Methods are not called on the package name but on the Object itself.

ZenMethodReturn Type
ZenMethod
getIntColor()
Return Type
int