InputField.selectionColor

public Color selectionColor ;

설명

The color of the highlight to show which characters are selected.

using UnityEngine;
using System.Collections;
using UnityEngine.UI; // Required when Using UI elements.

public class Example : MonoBehaviour {

	public InputField mainInputField;

	// Changes the color of the highlight that shows what characters are selected.
	void ChangeSelectionColor () 
	{
		mainInputField.selectionColor = Color.red;
	}
}