#1B1E01 · #2D111D
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 50/100 (triadic (soft)) · Distinguishable 21/100 (hard to tell apart) · Match 38/100 (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 a clear pair (ΔE 28). They have distinctly different hues (92° 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 #808563 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 50/100). 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 #808563 clears AA.
Their CIE76 ΔE is about 28 — a clear pair.
clearly different colours (ΔE 28).
Explore each color: Deep Vivid Lime #1B1E01 · Espresso #2D111D · Shades: Deep Vivid Lime shades · Espresso shades · Contrast checker →