RGB (Red, Green, Blue)
· The primary image mode for graphic is RGB. You should be aware of the other modes though.
· Is faster to work with thank CMYK, as RGB creates a smaller file size making it perfect for the web.
CMYK (cyan, magenta, yellow, Black)
· Produced dulled out colour as it doesn’t use light when its printed out.
· Used in most office printers
GREY SCALE
· Grayscale images include actually shades of grey.
· You can make coloured images Grayscale, but you cannot do the reverse.
· HOWEVER you can turn a Grayscale picture into a DUOTONE image (two colours)
BITMAP
· Mode images are made up of black and white pixels only with no shades of grey or colour included.
RESOLUTION TYPES
NOTE: The larger the dpi the better the quality image
300dpi:
· Commercial printing of book, glossy magazines and brochures.
150-200dpi:
· For laser and inkjet printers (home office) and make a test print to clarify the best resolution for your printer
72-96dpi:
· For email attachments, the web. Power point and multimedia
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