Paint Codes and Colors 1970 Through 1976:

1970 and 71 Model Year Cars
901 Light Metallic Gray or Silver Metallic
903 Blue (till 8/71)
904 White (till 7/75)
905 Red (till 8/71)
907 Dark Green (till 8/71)
918 Orange
919 Yellow (till 8/71)
920 Gold (till 8/71)

Added/Changed for 72/73 Model Year Cars
110 Red (from 9/71 on)
112 Yellow (from 9/71) (aka: Lime)
113 Green Metallic (from 9/71) (aka: Leaf Green / Avocado)
114 Bronze Metallic (from 9/71) (aka: coco / dark brown)
115 Blue Metallic (from 9/71)

260Z / 280Z Colors
215 White (from 8/75 on)
214 Dark Brown (from 8/73 - 7/76)
240 Green Metallic (from 8/75 on)
301 Brown Metallic (from 8/73)
302 Leaf Green Metallic (from 8/73)
303 Green Metallic (8/73 - 7/75)
304 Gold Metallic (8/73 - 7/75)
305 Light Blue Metallic (from 8/73)
306 Silver Metallic (from 8/73)
307 Blue Metallic (from 8/73)
362 Dark Purple Metallic (from 8/75)
517 Beige Metallic (from 8/76) (aka: Lt. Gold)
611 Wine Red Metallic (from 8/76) (aka: Burgundy)
901 Silver Metallic