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Prolly a combination of several reasons:
  • Different displays and types of displays used
  • Calibration of the displays
  • Gamma difference
  • White point difference
Colors generally look darker on a Windows PC v a Mac
But again, that varies based on calibration and type of display

This is an older article but it might give you some perspective and tips
https://www.online-tech-tips.com/computer-tips/how-to-calibrate-display-windows-mac/

Just remember, even if you calibrate your display(s) and reconcile the differences, you can't control the calibration and type of display users across the web will use
For this reason it is best to try to strike a balance that will be acceptable across a wide range
 
Hi
I was testing this website: http://www.thecentrefordermatology.com/ I designed. The colour of the button(Read More) looks different on Macbook. I've checked it on Windows PC and it looked fine. What do you think is the reason for this?
Nice looking wordpress site. I especially like the integrated Consultation with 'Symbol CAPTCHA'.

Read More looks good on my Mac.

As a newbie, it seems like advertising. Please ensure you continue to post so that this does not get flagged as SPAM.
 
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