Files
OneCAD-Draft/assets/color_books/README.md
T
Claude ecdead20c7 Select Color: CMYK sliders, field below the sliders, Document first
- Editor modes RGB, HSB and CMYK; the saturation/brightness field and hue
  strip now sit below the sliders in every mode instead of being a mode.
- The panel opens on the Document tab.
- Built-in colour books: RAL CLASSIC and SIKKENS 4041 (Open Colour
  Systems Collection 2.0, CC BY-ND 4.0); CSS COLORS removed.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_013rGmDUNr1hUf4zo1X3dak8
2026-10-14 11:57:53 +00:00

783 B

Built-in colour books

AutoCAD .acb colour books built into the Select Color panel. Each file carries its source and licence in its header comment.

File Book Source and licence
ral-classic.acb RAL CLASSIC, 216 approximate sRGB values Adapted from Wikipedia, "List of RAL colours"; CC BY-SA 4.0
sikkens-4041.acb SIKKENS 4041, 1,624 colours Open Colour Systems Collection 2.0, © 2015 dtp studio oldenburg (freieFarbe e.V.); CC BY-ND 4.0. Converted from the GIMP palette: same names, values and order, only the file format changed

Values are approximate screen representations, not colour-binding references. RAL is a registered trademark of RAL gGmbH and Sikkens of AkzoNobel; these files are not affiliated with or endorsed by either.