Does anyone know how the background change the color with different photos, I've noticed this on Spotify, what is the effect called? how to achieve this on a webpage? can someone help?

• Colorfy

  3 131 0.0 Python

  Finds a suitable background color to the artwork of the current Spotify playback and sets it to a LED-strip using a Raspberry Pi

As I already have seen in the comments, someone linked my GitHub repo https://github.com/davidkrantz/Colorfy where I gave this a go. In short, it analyzes the album artwork and computes a suitable background color, which was more or less the same as Spotify set in about 80 % of the cases at the time. The program uses k-means clustering to find k distinct colors in the artwork and then computes a colorfulness index as defined by Hasler and Süsstrunk (2003) https://infoscience.epfl.ch/record/33994/files/HaslerS03.pdf for each of the colors. The color with the highest index is then set to be the optimal background color.

• react-palette

  1 169 0.0 TypeScript

  Extract prominent colors from an image

Have a look at react-palette

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