So how many shades of grey are there? Depending on the expert consulted, the human eye can distinguish more than 500 shades of grey. On a computer screen however, that number is 256. In printing using the CMYK method, that number is 99. To get an idea of the amount of different shades of colors, refer to this PMS chart located is located HERE. Keep in mind this is only the tip of the iceberg with 952 colors represented.
So when setting up your colors for print work, it is no different than choosing a paint color. What taupe means to one, is not what it means to another. When asking for turquoise, be ready for the inevitable question….”Is that a green or blue turquoise?”