ISO
| Standard | Name | TC/SC | Link |
|---|---|---|---|
| ISO 16:1975 | Acoustics -- Standard tuning frequency (Standard musical pitch) | ISO/TC 43 | [1] |
| ISO 3864:1984 | Safety colours and safety signs | ISO/TC 145 | [2] |
| ISO 3864-1:2001 | Graphical symbols – Safety colours and safety signs -- Part 1: Design principles for safety signs in workplaces and public areas | UNECE | |
| ISO 3864-4:2011 | Graphical symbols -- Safety colours and safety signs -- Part 4: Colorimetric and photometric properties of safety sign materials | ISO/TC 145/SC 2 | [3] |
| ISO 3864-3:2012 | Graphical symbols -- Safety colours and safety signs -- Part 3: Design principles for graphical symbols for use in safety signs | ISO/TC 145/SC 2 | [4] |
| ISO 7010:2011 | Graphical symbols -- Safety colours and safety signs -- Registered safety signs | ISO/TC 145/SC 2 | [5] |
| ISO 12647-5 | Graphic technology -- Process control for the manufacture of half-tone colour separations, proof and production prints -- Part 5: Screen printing | ISO/TC 130 | |
| ISO 2846-1:2006 | Graphic technology -- Colour and transparency of printing ink sets for four-colour printing -- Part 1: Sheet-fed and heat-set web offset lithographic printing | ISO/TC 130 | |
| ISO 3664:2009 | Graphic technology and photography -- Viewing conditions | ISO/TC 42 | |
| ISO 639-6:2009 | Codes for the representation of names of languages -- Part 6: Alpha-4 code for comprehensive coverage of language variants | ISO/TC 37/SC 2 |
UNECE FDIS/ISO 3864-1 - colours described as quadrilaterals in CIELAB.