Software Session 1 - Colours for print

RGB - red green blue light - screen based colours - photoshop default mode
CMYK - cyan magenta yellow black - process colours - printing inks used in the printing process

View > Gamut Warning: shows areas where colours are non printable (not in the CMYK range)
Select > Colour range: to select a particular colour to adjust
To select all of the out of gamut area: Select > Colour Range > drop down and select out of gamut.

Adjustment layers (at the bottom of the layers palette) and layer masks - would allow you to go back and adjust again and again, and can also turn it on and off without making permanent changes to your work.

Image > Replace Colour: would allow you to select a particular colour and would give you same adjustment settings and change colour.

• Photoshop advises that you work in RGB mode first until you are done with the work. Then convert to CYMK if you are going to print the work. There would be a slight change in colour but you can make adjustments to it until you are satisfied with the work, before sending it off to the printers.

Stuff to remember:

• Work at 300 ppi (or dpi)
• CMYK for print
• Work to actual size
• save as .jpeg when sending to client though email

Select gamut (triangle warning sign) for cmyk colour