#201F00 · #320F22
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 47/100 (triadic (soft)) · Distinguishable 30/100 (hard to tell apart) · Match 28/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Vivid Lime and Espresso are very different (ΔE 33). They have distinctly different hues (91° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Vivid Lime text on Espresso: 1.02:1 (Fail); Espresso text on Deep Vivid Lime: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #858562 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 47/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #858562 clears AA.
Their CIE76 ΔE is about 33 — very different.
clearly different colours (ΔE 33).
Explore each color: Deep Vivid Lime #201F00 · Espresso #320F22 · Shades: Deep Vivid Lime shades · Espresso shades · Contrast checker →