#565C10 · #5A4B86
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 93/100 (complementary) · Distinguishable 77/100 (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 Olive Green and Dusty Indigo are very different (ΔE 78). They have near-opposite hues (169° apart) and their lightness is similar, so they read as two same-weight colours.
Dark Olive Green text on Dusty Indigo: 1.05:1 (Fail); Dusty Indigo text on Dark Olive Green: 1.05:1 (Fail). Neither meets AA at body size — nudging one color to #C5CE85 clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 93/100). 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 #C5CE85 clears AA.
Their CIE76 ΔE is about 78 — very different.
clearly different colours (ΔE 78).
Explore each color: Dark Olive Green #565C10 · Dusty Indigo #5A4B86 · Shades: Dark Olive Green shades · Dusty Indigo shades · Contrast checker →