DMC 280 to Anchor: Thread Conversion

Anchor 845 is a close match for DMC 280, covering the very dark olive-green territory at the correct near-black value. The shade should confirm as a very dark yellow-green with the characteristic warm olive lean — not a cool or blue-green dark, but an earthy, warm, slightly muted dark that reads as olive or khaki rather than as a cool forest green. Anchor's version tends to sit a fraction cooler than DMC 280 — slightly more blue-green and less yellow-green in its composition — a subtle temperature difference that's often imperceptible in isolation but can weaken the yellow-green family cohesion if you're building the 280/281/282 gradient. The darkest step in a gradient is particularly sensitive to temperature drift because it defines the color family's shadow character: a shadow anchor that reads cooler than its lighter companions creates a visual discontinuity, as if the shadow is a different color family rather than a darker version of the same one. The practical recommendation is to either substitute all three gradient values from Anchor simultaneously, using Anchor 845, Anchor 281, and Anchor 280 for the three DMC steps respectively, or stay with DMC for the entire family. For standalone uses of DMC 280 in military history designs, deep forest shadow fills, and olive-drab lettering where the thread isn't being compared to adjacent gradient steps, Anchor 845 is a serviceable and practical choice.