From Wikipedia, the free encyclopedia. Primary colors (or primary colours) are sets of colors that can be combined to make a useful range of colors. The primary colors are those which cannot be created by mixing other colors in a given color space. For subtractive combination of colors, as in mixing of pigments or dyes for printing, the primaries normally used are cyan, magenta, and yellow, though the set of red, yellow, blue is popular among artists.
Typical costs: 1  A driveway gate costs $1,400-$3,200; powering it to open by remote control costs an additional $550-$4,500 -- bringing total costs to $1,950-$7,700. 2  Single-panel iron, steel and wood gates cost $1,400-$2,100. 3  Dual-panel iron, steel and wood gates cost $1,800-$3,200.
1 Most automatic systems will be within the $3,500 to $5,500 range. 2  Simple iron and wooden gates will cost less than $3,000 while an aluminum gate can cost less than $1,000. 3  For instance, Loweâs sells a 12-foot aluminum driveway gate for $870. 4  Other gates here run as much as $2,000. Depending on the brand, some will not include an automatic keypad or remote. 2  Kits can retail from $1,000 to as much as $2,500 depending on how you want the gate to open. 3  Adding other accessories such as intercoms, sensors and keypads can cost $200 to $2,000 each, depending on the setup.