Transportation of Dangerous Goods Regulations (SOR/2001-286)

4.6 Dangerous goods marks must be

• (a) visible, legible and displayed either against a background of contrasting colour or within a border that is a solid or dotted line;

• (b) made of durable and weather-resistant material that will withstand the conditions to which they will be exposed without substantial detachment or deterioration of their colour, symbols, letters, text or numbers; and

• (c) displayed in the colours specified in

  • (i) the appendix to this Part, which colours must conform to the following standards in the PANTONE ® Formula Guide, published by Pantone Inc., 590 Commerce Boulevard, Carlstadt, New Jersey 07072-3098, United States:

    • (A) for blue, PANTONE 285,

    • (B) for green, PANTONE 335,

    • (C) for orange, PANTONE 151,

    • (D) for red, PANTONE 186, and

    • (E) for yellow, PANTONE 109,

  • (ii) Part 172 of 49 CFR, or

  • (iii) Chapters 5.2 and 5.3 of the UN Recommendations.