About this episode
Ryan talks to Sam about reproducing iOS's new image background treatment for his Open Graph Preview tool, opengraph.ing. They talk about different approaches for generating gradients from images, including finding the vibrant color of an image, luminosity-weighted averages, k-means clustering, and more.Timestamps:0:00 - Intro3:07 - Apple's new OG image gradient10:06 - Luminosity-weighted average14:22 - Finding the vibrant color of an image21:41 - Contrast ratios on favicons32:21 - K-means clustering41:25 - Refactoring UI tip about rotating the hueLinks:Open Graph PreviewRefactoring UI
