Default colour mode of photoshop is RGB
Image > Mode > CYMK (To convert)
Gamut showing range of colours which can be seen / printed in particular print modes.
Selecting an area to colour
Converting selected area colour to CMYK mode
The colour after the changes made differs much to the orginal
Gamut warning
Showing colours which could be altered in print or colour conversion. A very useful tool to use before printing.
Changes can be made to the 'Gamut warning' image, to alter colours to be more in keeping with the colours and printers. Adjusting the saturation being just one option you can change.
Proof colours option
Slight change - Showing how image will look once converted to CMYK
Replace colour option
Workign for print - warning sign associated with chosen colour
Click the warning sign and it will choose the nearest colour which is printable.
Colour change, once warning sign is pressed.
The chosen colour can be added to the swatches by clicking the option 'Add to swatches'
<Spot colours:
Cheaper method
Create unique colours which are otherwise limited by CMYK
Looking at swatch libraries and stock option.
Add chosen swatch colour to individual swatch library
Changing image to grayscale
How to use a spot colour:
Mode > Duotone > monotone
Changing the colour
It keeps the reference number which is very useful and needed.
Changing duo tone curve
Format automatically changes, not RGB or CMYK Its monotone.
Indesign
When image placed in Indesign, spot colour used within, automatically gets added to swatch list in program.
Meaning I can use the spot colour elsewhere in design.
Using two spot colours
Duotone
Mixing
Adjusting Curves of duotones
Giving more contrast and a range of tonal qualities to images
Colour Channels
Turning off R, G or B.
Creating a new spot channel
Adding a gradient to design - To transparency
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