Re: If it looks white on your uncalibrated display, yes it is lying.
Re: If it looks white on your uncalibrated display, yes it is lying.
- Subject: Re: If it looks white on your uncalibrated display, yes it is lying.
- From: Andrew Rodney <email@hidden>
- Date: Fri, 06 Jun 2014 15:20:36 -0600
On Jun 6, 2014, at 3:10 PM, John Robert Robinson <email@hidden> wrote:
> Would you care to explain why you believe Photoshop is lying to me when a point on the screen image says there is blue and red in the area I am measuring which appears white. I thought that was called a color cast in some instances.
The numbers are not a lie, that's all PS provides. How the numbers appear can be a lie. Numbers of colors alone do not tell us what they look like! If you have RGB values of a light "white" color, it might be equal values or RGB or it may not, depending on the color space. Neutral RGB values in a well behaved space where we expect R=B=G to be neutral produce non equal values for other color spaces such that both appear to look the same.
If you ask me how far I live from you and I say 1000, that's meaningless, the number has no scale. If I say 1000 miles, the number now has a meaning. The numbers alone provided by Photoshop don't necessarily tell you what the color will look like. So it can lie.
> And anyway if images I provide are screened on Mom and Pop devices that have never heard of calibration. So whats the big deal that your “professional" screen is correct and their screen is their screen, not yours.
You can't control those mom and pop devices and neither can we. Only people who care about proper color appearance do this. Or people who want a display and some print or proof to visually match. For that you need ICC profiles and calibrated systems like your display. If you are a mom and pop and don't care about color, you don't have to worry about color and this is the last list you should be reading. The big deal about my professional display is it delivers WYSIWYG and when it cost time and money to output high quality printing, it's kind of useful.
What does this color look like? R78/G129/B255?
Andrew Rodney
http://www.digitaldog.net/
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