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Colour Rejection Help Please.  
User currently offlineSpencer From United Kingdom, joined Apr 2004, 1635 posts, RR: 17
Posted (6 years 9 months 3 weeks 2 days 4 hours ago) and read 3600 times:

I received a colour rejection on the below image. I'm looking for suggestions as to what I could do to improve the COLOURS and/or COLOUR CAST. It's not the greatest scan, I'm only just learning how to scan to tell the truth, so let's keep any suggestions this time to the rejection reason please.

http://www.airliners.net/addphotos/r...ns/big/20080301_UPS747Fsjw.jpg.jpg

TIA
Spencer.


EOS1D4, 7D, 30D, 100-400/4.5-5.6 L IS USM, 70-200/2.8 L IS2 USM, 17-40 f4 L USM, 24-105 f4 L IS USM, 85 f1.8 USM
5 replies: All unread, jump to last
 
User currently offlineJeffM From United States of America, joined May 2005, 3266 posts, RR: 51
Reply 1, posted (6 years 9 months 3 weeks 2 days 4 hours ago) and read 3597 times:



Quoting Spencer (Thread starter):
I'm looking for suggestions as to what I could do to improve the COLOURS and/or COLOUR CAST

..remove the dingy yellow tint.


User currently offlineWhappeh From United States of America, joined Mar 2006, 1563 posts, RR: 2
Reply 2, posted (6 years 9 months 3 weeks 2 days 4 hours ago) and read 3590 times:

Get rid of the tint:
http://img230.imageshack.us/img230/1416/showxr0.jpg

I can tell you how I did it, if you want to know via PM or something (if what I did is even correct, lol)



-Travel now, journey infinitely.
User currently offlineGarry From United Kingdom, joined Feb 2006, 185 posts, RR: 3
Reply 3, posted (6 years 9 months 3 weeks 2 days 3 hours ago) and read 3581 times:

Hi Spencer - it's not too difficult to remove. The key is getting the Info palette open in Photoshop (assuming you have it)

Here's how I removed it:

Make a threshold layer select white point and black point - you will see when doing this there is a colour cast as the RGB from the Info palette are not equal. Either use Curves or Levels, select white eye dropper and drop it on the white point you found from Threshold. Do same for Black point. This just about removes the cast.

There was also a cast in the mid tones - so I found a neutral gray and again using either Curves or Levels selected the grey/mid eye dropper and selected the point.

The key is making sure when you have a black/white or mid grey the Info palette shows the same values for each of the R, G and B channels.

HTH
Garry



www.garryridsdale.com
User currently offlineGarry From United Kingdom, joined Feb 2006, 185 posts, RR: 3
Reply 4, posted (6 years 9 months 3 weeks 2 days 3 hours ago) and read 3568 times:

Sorry Spencer - here's the result of my attempt as outlined above

Big version: Width: 1024 Height: 698 File size: 690kb



www.garryridsdale.com
User currently offlineSpencer From United Kingdom, joined Apr 2004, 1635 posts, RR: 17
Reply 5, posted (6 years 9 months 3 weeks 1 day 13 hours ago) and read 3543 times:

Thanks very much for all the help/suggestions. Appreciate it a lot. I'll have another bash at it from scratch and see how I fair. Cheers.
Spencer.



EOS1D4, 7D, 30D, 100-400/4.5-5.6 L IS USM, 70-200/2.8 L IS2 USM, 17-40 f4 L USM, 24-105 f4 L IS USM, 85 f1.8 USM
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