There are seven colors defining <i>wavelengths</i> of visible light. They are red, orange, yellow, green, blue, indigo, and violet. <br /> However, the three primary colors for ADDITIVE combination (such as the colors on these web pages) are <b>red</b>, <b>blue</b> and <b>green</b>.
Cost of the driveway will be based upon the amount of concrete required, forms, and reinforcement material needed to prepare the area for the concrete slab. Typically, a plain driveway for a two-car garage will cost in the area of $3,000 to $4,000 and a three-car garage in the area of $5,000 to $6,000.
By comparison, the cost for a plain concrete driveway runs $3 to $10 per square foot, according to Costhelper, or $1,080 to $3,600 for a standard-size, two-car driveway. Customized concrete driveways with decorative elements can run $15 to $25 per square foot, or $5,400 to $9,000 total for the driveway.