DMC 921 to J&P Coats: Thread Conversion

J&P Coats 3336 is a close match for DMC 921 Copper — the same number listed as the equivalent for DMC 922 (Light Copper). This means J&P Coats uses a single thread to approximate both adjacent shades, making the 921-to-922 gradient step indistinguishable when sourced from J&P Coats. For designs using the full five-step copper sequence, this limitation is worth noting. For standalone use of 921 as a warm copper fill without strict gradient requirements, J&P Coats 3336 provides an accessible warm orange-copper substitute in most applications.