What's the difference between RGB and CMYK? How do I know what I'm seeing on screen is what I'll see in print? Why do my images look so different from one computer to the next?

Here we have provided some basic, but essential points to point you in the right direction and obtain the results you need.

For our callibration and colour advice, including a downloadable guide to view in Photoshop click here


A further overview, which can be viewed in Shockwave, is available by clicking here

If you do not already have Shockwave installed click the link below:



A very useful guide is also available on the NPL website - click here