Thus the RGB 3-tuple of values we use to specify color actually represents a single point in a Cartesian coordinate space. And royal purple is still buried in that cube somewhere.

Want to convert an RGB color value to a hex code in a hurry? Don’t bother firing up Photoshop. You can do it directly from Google by simply searching “RGB to Hex.” This little feature ...

You can pull up the color picker tool with a simple Google search for "RGB to hex." From there, you can either input an exact hex or RGB value to convert or just drag the small circle around the ...