#006A10 · #2A50A8
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 59/100 (triadic (soft)) · Distinguishable 76/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dark Green and Sapphire are very different (ΔE 110). They have distinctly different hues (93° apart) and their lightness is different, giving a clear light/dark split.
Dark Green text on Sapphire: 1.09:1 (Fail); Sapphire text on Dark Green: 1.09:1 (Fail). Neither meets AA at body size — nudging one color to #85DD84 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 59/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #85DD84 clears AA.
Their CIE76 ΔE is about 110 — very different.
clearly different colours (ΔE 110).
Explore each color: Dark Green #006A10 · Sapphire #2A50A8 · Shades: Dark Green shades · Sapphire shades · Contrast checker →