forked from 1b-agent/opencadstudio-upstream
SIKKENS 4041 is no longer built in; it can still be loaded from an .acb file in a colour book folder. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013rGmDUNr1hUf4zo1X3dak8
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 |
Values are approximate screen representations, not colour-binding references. RAL is a registered trademark of RAL gGmbH; this file is not affiliated with or endorsed by RAL gGmbH.