When pigment granules are delivered, concrete producers care about one thing above all: achieving a safe and reproducible color in the finished concrete. All the more unsettling, then, when a new batch looks different from what they are used to. Sometimes the granules appear slightly lighter, sometimes darker — and it’s easy to assume this might indicate a quality issue. But this is precisely where a closer look pays off. This article explains why lighter or darker granule particles have no impact on the concrete color and how Oxerra ensures consistent quality.