Color printing digital printing methods do not have the restriction of a single color space that traditional CMYK processes do. Many presses can print from files that were ripped with images using either RGB or CMYK modes. The color reproduction abilities of a particular color space can vary; the process of obtaining accurate colors within a color model is called color matching. Inks used in color printing presses are semi-transparent and can be printed on top of each other to produce different hues. For example, green results from printing yellow and cyan inks on top of each other. However, a printing press
Blue–green distinction in language in classical Hebrew, can mean both green and yellow, giving rise to such expressions as (pronounced ), "leek green", to specify green to the exclusion of yellow. Like Russian and Italian, Hebrew has a separate name for light blue (, "t'khelet")—the color of the sky and of fringes on the ritual garment "Tzitzit". This color has special symbolic significance in Judaism and Jewish culture. Albanian has two major words for "blue": "kaltër" refers to a light blue, such as that of the sky, but it is derived from Vulgar Latin "calthinus", itself derived from "caltha", a loan from Ancient Greek