Looks like Google image search always has a fallback for a nonsense search query, and the images between Google and Picular exactly match (if you hover over the bottom-right of any color card, it shows the source image):
https://www.google.com/search?tbm=isch&q=sdlkfjsldkfjsldfkj
https://picular.co/sdlkfjsldkfjsldfkj
If you put it in quotes, though, Google gives no results and Picular crashes (500 internal server error from an XHR):
https://www.google.com/search?tbm=isch&q="sdlkfjsldkfjsldfkj...