ercolano orange pigment is an organic pigment fixed on calcium carbonate and sulphate. Its color is bright orange, brighter than the mineral orange pigment. this pigment is compatible with all binders and all techniques. With lime paste, a dosage of 25% of the weight of the lime gives a bright and bright orange color to make a paint (lime wash), but remains soft thanks to the lime. This pigment dilutes well in water, however it is not suitable for painting with ocher and flour. Pigment without danger for humans and the environment.