Pour the dry mortar mix into a large bucket, old wheelbarrow or mortar mixer, measuring the mix according to the instructions for your mortar. Read to see if your mortar mix is an all-in-one mix that contains all the dry ingredients or just the cement that requires the addition of lime and sand, mixed in amounts that vary depending on your project.
Pour in the proper measurement of cement dye and mix thoroughly, if using a powdered dye. Add a measured amount of water, along with any additives, such as acrylic fortifier. Pour in the liquid cement dye, if using a liquid dye, according to the measurements for your coloring specification.
Mix the mortar using your mixing machine or a mason's hoe, using a pushing and pulling motion, until the mix has a sticky consistency that will hold its shape, the color is even, and it is completely combined.