Measure and weigh 3 pounds of masonry sand on a scale. Measure out and weigh 1 pound of Portland cement.
Pour the masonry sand into the 5-gallon bucket. Add the Portland cement to the masonry sand in the 5-gallon bucket.
Add water to the masonry sand and Portland cement in the 5-gallon bucket. Stir the mix until it starts to thicken. Stop adding the water.
Add small amounts of a coloring pigment to mix in the bucket and continue to stir the mix. Continue to add pigment until you reach the desired color.