Light pastels can cause color control software
to try to boost the contrast to seperate the light tints
from the white elements increasing color saturation
and color shift.
Here the hardest color to render correctly in JPG is usually full
I always guarantee correct color rendering in a given color space. Sometimes a brief discussion on color theory and monitor calibration with the client is necessary to explain why colors look different on their phone's screen from their desktop computer. More on color calibration here https://en.wikipedia.org/wiki/Color_calibration
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Reading this article will help you decide. http://bit.ly/29U9VlO