Censor

censor is a standalone palette analyser inspired by DawnBringer's Palette Analyser for GrafX2 and having a compatible layout. It helps creating and evaluating restricted palettes by providing visualisations and highlighting certain properties.

Examples

Installation

Install the rust toolchain using rustup or the repository. Then run: $ cargo install censor-analyser

Features

• Analyse palettes of 2-256 colours
• All widgets use CAM16UCS with perceptual colour distances
• Load colours from command line arguments, text files, images and Lospec
• Daemon mode for large amounts of analysis requests
• WASM support for analysing palettes on web pages client-side (currently broken)

Widgets available

• Rectangular hue-lightness with fixed chroma
• Spectral colours (with the non-spectral CIExy line added)
• Spectral box (with y parametrising a parabola going through pure black, the spectral colour and pure white)
• Indexed palette
• Close colours (with different lightness weights)
• Internal similarity (which is (mean_d/min_d)/n^(2/3))
• Acyclic check
• "Spectral" distribution (from hue-mapping nearest spectral colours relative to the white point)
• "Temperature" distribution (normalised -log(CCT), might be changed later)
• Greyscale with differing lightness weights
• Cubes showing the colours in CAM16UCS space from different angles
• Hue-lightness plot
• Useful colour mixes (i.e. producing points that are further from other palette points)
• Lightness-chroma bars
• Lightness-sorted colours and neutralisers
• 12-bit RGB approximation
• Polar hue-chroma plot
• Polar hue-lightness with fixed chroma levels
• Complementaries