Ash Grove KolorStone KolorPak is a concentrated liquid colorant designed to add decorative colors to KolorStone concrete coatings when applying the Ash Grove KolorStone system. KolorPaks are available in six standard and ten designer colors that can be mixed and matched to achieve a virtually unlimited combination of tints and hues. Custom colors are also available. The KolorPaks are available in a 16 ounce or an 8 ounce container both with volume markings for easy measurement and dispensing.