Knut Olav Sunde: ISOM/2000 recommendations for four colour printing
ISOM/2000, Inks - CMYK equivalents
CMYK equivalents to PMS spot colors (inks) recommended:
Color
PMS
Cyan
Magenta
Yellow
Black
Black
Process black
100%
Brown
471
56%
100%
18%
Yellow
136
122
129
27%
18%
15%
79%
83%
76%
Blue
299
87%
18%
Green
361
76%
91%
Grey
428
427
23%
11%
Violet
Purple
100%