CMYK Rule of Thumb

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leeharper_admin
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Postby leeharper_admin » Mon Jun 28, 2010 1:22 pm

Hi Greg,

I am watching the Week 2/Exercise 4 solution video (the wreath image), and you (or Mike - I don't know which of you recorded the videos) just applied an s-curve to the magenta channel to increase the contrast between the calligraphic characters and their red/magenta background.

Whilst applying this move, it was mentioned that as a rule of thumb the center point of the curve should continue to cross the center point of the curve grid. Would you mind explaining why this is?

Kind regards,
Lee.
leeharper_admin
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Postby leeharper_admin » Mon Jun 28, 2010 1:24 pm

I just had a thought - is it to avoid introducing a green colour cast?

Lee.
ggroess
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Postby ggroess » Mon Jun 28, 2010 1:39 pm

You got it....
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