.ai
*Illustrator native format
*Vector
*working / master file
*generally small files
.eps
*Encapsulated Post Script
*working / master file
*More accessible in other
programs.
*generally very large files
.psd
*Photoshop native format
*working / master file
*generally very large files
.jpg/.jpeg
*widely used for sharing and
viewing digital photos
*not high quality / compresses
*reduces file size
*convenient
.gif
*great for web ‘graphics’ and
large areas of solid colour
*limits the colours used
*supports basic animation
*supports transparency
.png
*very large colour spectrum
*lossless, no image quality loss
*not widely supported
*small file size
*doesn’t support animation
*supports transparency
.tiff
*similar to .psd and can work as
a master file
*lossless, no loss of quality
*can be large file
*Was standard for commercial
printing
*similar to .psd and can work as
a master file
*lossless or compressed
*can be large file or small
*widely shared and viewed
*becoming popular for print
Primary Colours
In paint pigments, pure Yellow, pure Red, and pure Blue are the only hues that can’t be created by mixing any other colors together.
Secondary Colours
A secondary color is a color made by mixing two or more primary colors in a given color space.
Tertiary Colours
The tertiary colors are red–orange, red–violet, yellow–orange, yellow–green, blue–violet and blue–green.
Complementary
-opposite each other
-high contrast / vibrant combo
-can be quite jarring if not used properly
Analogous
-next to each other on the colour wheel .
-match well, comfortable aesthetic
-pleasing to the eye
Split Complement
-variation of complementary and analogous
-base colour and analogous to the complement
Triadic
-evenly spaced around the wheel
-vibrant even if you are using pale versions of the hues
CMYK colour system
■CMYK refers to the four inks
used in color printing:
Cyan, Magenta, Yellow,
and Key (Black).
■Used primarily for print output
RGB colour system
■An additive color model in which
red, green, and blue light is added
together to reproduce an array
of colours.
■Used for the display of images
in electronic systems, such as
televisions and computers.
Hex colours
■Hexadecimal colour codes are
used in designing web pages.
Hexadecimal colour begin with
a hash (#).
Spot colours
■Colour matching systems developed
for print, but also widely accepted
for spec’ing colours for an assortment
of applications.
■Pantone is the dominant system used
in North America and Europe.
■Toyo and DIC are used in Japan.
Colour in context
■Red more brilliant against black
■Appears duller against white
■Against orange, the red appears lifeless
■With blue-green, it exhibits brilliance
Hue
is color (blue, green, red, etc.).
■Chroma
is the purity of a color (a high chroma has no
added black, white or gray).
■Saturation
refers to how strong or weak a color is (high
saturation being strong).
■Value
refers to how light or dark a color is (light having a
high value).