#7FC47B · #B0B855
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 61/100 (analogous (soft)) · Distinguishable 70/100 (easy to tell apart) · Match 41/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Emerald and Dark Khaki are a clear pair (ΔE 27). They have distinctly different hues (52° apart) and their lightness is similar, so they read as two same-weight colours.
Emerald text on Dark Khaki: 1.03:1 (Fail); Dark Khaki text on Emerald: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #035107 clears it.
Analogous (soft) — workable but not a textbook harmony (harmony 61/100). 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 #035107 clears AA.
Their CIE76 ΔE is about 27 — a clear pair.
clearly different colours (ΔE 27).
Explore each color: Emerald #7FC47B · Dark Khaki #B0B855 · Shades: Emerald shades · Dark Khaki shades · Contrast checker →