Invert PDF colours?
71427
Is it possible to invert text and background colors in a PDF when printing?
13250
How can I highlight or annotate PDFs?
332
Is CMYK mode not ideal for designs with blending mode?
94199
Setting a greyscale (or monochrome) color scheme
158864
How can I achieve colour overlay effect in PS?
40614
Why are my converted CMYK blacks coming out grey?
45041
Wrong colors while printing from Illustrator
129728
Inverted brightness button
66237
Can I colour the same text in two different colours?
1092
Pantone color conversions
124994
How can I translate CMYK to Pantone colors?
105210
Python display text with font & color?
85116
Adding PDF to backside printing for Data Driven Pages?
50727
How can I change colors in an Illustrator file without modifying other aspects?
26752
InDesign and PDF printing boxes instead of shadows - Onscreen looks perfect
16772
Can you convert a neon RGB color to CMYK for printing?
129923
How to copy text out of a PDF without losing formatting?