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Mapping to the PICO-8 palette, perceptually

news.ycombinator.com Unknown 2025-10-02 10:58:20

Mapping to the PICO-8 palette, perceptually Given a palette and an image, how would you map each pixel to a color in the palette? In this article we’ll investigate how an advanced perceptual color space (CAM16-UCS) compares to simpler alternatives. For this experiment I chose a somewhat strange cropped still from the Big Buck Bunny short and the PICO-8 fantasy console’s 16-color palette: A simple way to map pixels to palette colors is to compute the Euclidean distance between each pixel and p

Topics: color colour oklab palette ucs
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Show HN: Rust -> WASM, K-Means Color Quantization Crate for Image-to-Pixel-Art

news.ycombinator.com Unknown 2026-02-17 21:40:55

Live UI Try the pixel-art converter instantly at https://gametorch.app/image-to-pixel-art Free forever · no sign-up required · runs 100 % in your browser A tiny Rust → WebAssembly library that turns any raster image into low-color pixel-art. Features K-means palette extraction with user-selectable color count or supply your own palette. supply your own palette. Keeps transparency intact – only opaque pixels are processed. Down-samples to a fixed tile grid (e.g. 64 × 64) using nearest-neig

Topics: palette pixelate release rust wasm
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Poline – An enigmatic color palette generator using polar coordinates

news.ycombinator.com Unknown 2026-03-08 19:38:56

Summoning The use of "Poline" begins with the invocation of its command, which can be performed with or without arguments. If called without, the tool will generate a mesmerizing palette featuring two randomly selected anchors. On the other hand, one can choose to provide their own anchor points, represented as a list of hsl values, for a more personal touch. The power to shape and mold the colors lies in your hands. To create a palette, "Poline" requires at least two anchor points, but the n

Topics: anchor anchors palette points provide
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"poline" is an enigmatic color palette generator using polar coordinates

news.ycombinator.com Unknown 2026-03-10 01:38:56

Summoning The use of "Poline" begins with the invocation of its command, which can be performed with or without arguments. If called without, the tool will generate a mesmerizing palette featuring two randomly selected anchors. On the other hand, one can choose to provide their own anchor points, represented as a list of hsl values, for a more personal touch. The power to shape and mold the colors lies in your hands. To create a palette, "Poline" requires at least two anchor points, but the n

Topics: anchor anchors palette points provide
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