The color on this envelope is displayed in a darker, more saturated color https://www.zazzle.com/navy_blue_sunflower_wedding_envelope-256245212628635108 than the collection. https://www.zazzle.com/collections/elegant_monochrome_sunflower_and_navy_wedding-119482722073068707.
however, via the mockup the colors seem to be adjusted.
I have recently got an email from a customer about a different product where the color and the display of color didn´t match.