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RGB VS CMYK (Introduction (CMYK colour mode (Cyan, Yellow, Magenta, Black…
RGB VS CMYK
Introduction
CMYK colour mode
Cyan
Yellow
Magenta
Black (key)
RGB colour mode
Red
Green
Blue
Colour samples
CMYK
Images
Printer
Posters
RGB
Images
Computer screen
Mobile /ipad
Which one to use
RGB
Internet/websites
CD/DVD files
Emails
All digital files
Computer monitors
CMYK
Business cards
Brochures and Leaflets
Posters
Billboards
Print materials
Strengths
RGB
Adapt to basic printing
On- Screen colour manipulation
Digital viewing
CMYK convertible
CMYK
Crisper colours /blue-white printing paper
warmer colours on creamy - white paper
Offset printing
Weaknesses
RGB
Conversion to CMYK isn't exact when printed
CMYK
Colour cost
STATS
RGB
uses brightness levels via LCD and CRT
256 Brightness levels
0- Black 255 - White
16,777,216 colour potentials
CMYK
100% Black dots= solid Black
0%= Pure white
Uses colour dots to cover wavelengths
1 million colour variants