Mac suite induction - illustrator (Colour)

Applying Colour:
Block fill, Swatches, Colour palette / picker
Swatches of easier use in regard to gaining same colour repeatably 
Ability to erase and create new swatches
Process colour = CMYK
Registration colour (Crosshair swatch) - Only use if wanted to be shown on every print out.
Swatch layout > small list view > easier to find and understand swatches


To add a new swatch - 
1 - Use colour palette slider to mix and specify percentage of each of the process inks. 
2 - Use 3 lines and arrow on swatch menu > Create new swatch...>Verify ink percentages> best to not rename, keep it as percentages 


Global colours
Global swatch means changes made in editing screen automatically changes any object of the same colour
You can change percentage tint, to create a tint of an existing colour, in a range of percentage values
Change the value of the 100% tint swatch, and the lower valued tinted swatches will change too


Spot colour
Colour that can't be printed with CMYK
A spot colour is used when
When screen printing we use spot colours, ready mixed inks. Requires own printing plate.
Spot colour requires own printing plate
Why are they useful? Its possible to print colours which aren't possible with CMYK (metallic, fluorescent)
Price / Cost - (time - per colour, per plate) If using just 2 colours,its easier and cheaper to use just two plates, than four (CMYK)
Can also increase cost if using CMYK and spot colours.
Spot colours are used to create consistency 
Pantone > Solid uncoated > most likely to use


Printing 
Print > output > mode > separations (separates each of the positives, to create a printing plate - good for screen printing)
Can also convert spot colours to process




Swatch library creation
Can save to access from any document - > swatch button > save swatch library as ..AI( Adobe illustrator) or ASE (Can be used in any adobe software) > saves as AI file
Swatches options menu > Open swatch library > user defined > choose


Process colours: A process colour is printed using a combination of the four standard colours.
Global process colours: A global colour is automatically updated throughout your artwork when you edit it.
Spot olour: A premixed ink that is used instead of CMYK