I think anyone NC should use Intensity 1, and NW should use Intensity 2. Intensity 1 is more of a yellow-toned brown... Not quite as yellow as copper beach, but I think you would like it more than Intensity 2; which is more a neutral leaning red brown. Here is a picture of my contouring/bronzing stash. (Taken in natural light)
NARS Zen, MAC Coffee Walnut, Chanel Notorious Tom Ford Shade & Illuminate Intensity 1 & 2 Chanel Bronzing Makeup Base, Kevyn Aucoin Medium And I did some damage at bloomies... Ordered the blush brush, illuminating pens (in citrine, lavender voile, liquid bronze, and naked bisque), blush in love lust, lipstick in vanilla suede, and eye pencil in bruise.