How does Amazon change product image backgrounds to light grey?

[Yuan_Chen]

hello, does any know how amazon automatically changes pure white product image backgrounds to a light grey for example:

https://www.amazon.com/s?k=everyday+essentials

When I upload a pure white background product image to amazon, it appears light grey automatically. Can Shopify do sometimes similar when it detects a white background? thank you

[Dan-From-Ryviu]

Hi @Yuan_Chen ,

They are using CSS code to do that

[oscprofessional]

Hello @Yuan_Chen

Go to the online store >Theme> Edit Code >Assets >base.css> Add code in this file.

.puis-image-overlay-grey:after, .s-image-overlay-grey:after {
background: none !important;
}

[Yuan_Chen]

thank you, I will that

[Dan-From-Ryviu]

Send me your store URL so I could provide code for you?