It's a reference to their video on brown, specifically the part where they change only the background color of a image with an orange square in it and it swings basically from orange to brown

It's a really interesting watch

Also your link is broken, the URL should be in the parentheses. And if you want the image as a reply the brackets should be empty with an exclamation point in front and the link needs to end in an image extension.

Like so

[–] PipedLinkBot@feddit.rocks 2 points 11 months ago

Here is an alternative Piped link(s):

It's a really interesting watch

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