John insisted that they should go with ANSI 70, a specification he had used for years without any issues. Maria, on the other hand, was adamant that RAL 7035 was the way to go, citing its superior color consistency and durability.
(RAL 7035 is about 2-3 shades darker on a grayscale strip.) ansi 70 vs ral 7035
Do assume they are interchangeable – they look very different side by side. Always get a physical color sample before specifying. John insisted that they should go with ANSI