#565C00 · #6700CF
Four independent scores (read the one that fits your goal): Readability 4/100 (fail) · Harmony 100/100 (split-complementary) · Distinguishable 83/100 (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 Vivid Indigo are very different (ΔE 150). They have near-opposite hues (154° apart) and their lightness is different, giving a clear light/dark split.
Dark Olive Green text on Vivid Indigo: 1.18:1 (Fail); Vivid Indigo text on Dark Olive Green: 1.18:1 (Fail). Neither meets AA at body size — nudging one color to #BAC375 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 100/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.2:1, below the 4.5:1 minimum. Nudging one colour to #BAC375 clears AA.
Their CIE76 ΔE is about 150 — very different.
clearly different colours (ΔE 150).
Explore each color: Dark Olive Green #565C00 · Vivid Indigo #6700CF · Shades: Dark Olive Green shades · Vivid Indigo shades · Contrast checker →