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Wikipedia Article Image Palette
This page measures the median number of distinct colours present in the images attached to each Wikipedia article, using a standard colour‑quantisation algorithm to derive each image’s palette. It also calculates the diversity of those palettes within each article category by looking at the spread and entropy of palette sizes across the set of articles in that category.
The data are sourced from the latest public Wikimedia image dump, processed with open‑source tools that extract palettes without altering the original files. No proprietary or estimated figures are used; all numbers are direct results of the analysis pipeline.
Understanding image palettes can reveal hidden patterns in how topics are illustrated — for example, whether scientific articles tend to use cooler hues while cultural entries favour warmer tones — offering a fresh lens on content that is otherwise difficult to quantify at scale.