Here are some additional tips to keep in mind when converting Munsell to Pantone:
: The raw, ancient 5YR 4/4 finally found its modern twin: Pantone 7517 C .
Elias groaned. He’d been here before. Munsell was a perceptual system, based on the geometry of human vision—equal visual steps between colors. Pantone was a commercial language, a proprietary library of physical ink formulations, designed for consistency on a printing press. Converting one to the other wasn't translation; it was alchemy. Sometimes it worked. Often, it ended in tears and rush shipping fees.
He opened the email. He typed:
Elias looked back at the pit. To him, it was still 5YR 4/4—the blood of the hills—but he was glad it now had a name that would travel the world. Colour charts – Pantone and Munsell systems
If you don't own a spectrophotometer, you can use digital approximations. Warning: Your monitor is not calibrated to physical ink. Use these only for brainstorming, not final production.