1) Shade of gray
Found on
https://www.crosswordclues.com/clue/rich-black
Rich black, in printing, is an ink mixture of solid black over one or more of the other CMYK colors, resulting in a darker tone than black ink alone generates in a printing process. A typical rich black mixture might be 100% black, 50% of each of the other three inks. Other percentages are used to achieve specific results, for example 100% black w...
Found on
http://en.wikipedia.org/wiki/Rich_black
A 'black' area of a page to be output which also includes some process colours - usually 30% Cyan - in order to make it appear deeper or to match it to other page elements.
Found on
http://www.encyclo.co.uk/local/20829
Rich black is colour made up of 100%K and 60%C. It is designed to give good coverage to solid areas of black and to 'lift' the flatness from a process black.
Found on
https://www.encyclo.co.uk/local/20631
No exact match found.
