EditorGUI.ColorField
static function ColorField(position: Rect, value: Color): Color;
static function ColorField(position: Rect, label: string, value: Color): Color;
static function ColorField(position: Rect, label: GUIContent, value: Color): Color;
Parameters

position Rectangle on the screen to use for the field.
label Optional label to display in front of the field.
value The color to edit.
Returns
Color The color selected by the user.
Description

Make a field for selecting a Color.


Color field in an Editor Window.
	// Change The color of the selected Game Objects
	
	class EditorGUIColorField extends EditorWindow {
	 
		var matColor : Color = Color.white;
		@MenuItem("Examples/Massive Color Change")
		static function Init() {
			var window = GetWindow(EditorGUIColorField);
			window.position = Rect(0,0,170,60);
			window.Show();
		}
		function OnGUI() {
			matColor = EditorGUI.ColorField(Rect(3,3,position.width - 6, 15),
					"New Color:", 
					matColor); 
			if(GUI.Button(Rect(3,25,position.width-6, 30),"Change!"))
				ChangeColors();
		}
	  
		function ChangeColors() {
			if(Selection.activeGameObject)
				for(var t in Selection.gameObjects)
					if(t.renderer)
						t.renderer.sharedMaterial.color = matColor;
		}
	}
Description