Convert from One Colour Space to Another, Print a Ready-to-Paste Modern 'CSS' Syntax R package colourspace version 0.1.1 Provides a comprehensive 'API' for colour conversion between popular colour spaces ('RGB', 'HSL', 'OKLab', 'OKLch', 'hex', and named colours) along with clean, modern 'CSS' Color Level 4 syntax output. Integrates seamlessly into 'Shiny' and 'Quarto' workflows. Includes nearest colour name lookup powered by a curated database of over 30,000 colour names. 'OKLab'/'OKLCh' colour spaces are described in Ottosson (2020) <https://bottosson.github.io/posts/oklab/>. 'CSS' Color Level 4 syntax follows the W3C specification <https://www.w3.org/TR/css-color-4/>. Software Depends: R (>= 3.5) Imports: farver, RANN Suggests: testthat (>= 3.0.0) Yann Cohen <yannco5@gmail.com> Comprehensive R Archive Network (CRAN) Yann Cohen [aut, cre] (ORCID: <https://orcid.org/0009-0009-0509-3609>) MIT + file LICENSE (https://CRAN.R-project.org/package=colourspace/LICENSE) 2026-03-23 application/tgz https://CRAN.R-project.org/package=colourspace doi:10.32614/CRAN.package.colourspace en-GB