#565C00 · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 80/100 (aaa) · Harmony 30/100 (clashing) · Distinguishable 100/100 (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 White are very different (ΔE 78). They have distinctly different hues (64° apart) and their lightness is different, giving a clear light/dark split.
Dark Olive Green text on White: 7.18:1 (AAA); White text on Dark Olive Green: 7.18:1 (AAA). Both directions meet WCAG AA.
Clashing — awkward hue gap — tends to clash (harmony 30/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Yes — 7.2:1, which meets WCAG AA.
Their CIE76 ΔE is about 78 — very different.
clearly different colours (ΔE 78).
Explore each color: Dark Olive Green #565C00 · White #FFFFFF · Shades: Dark Olive Green shades · White shades · Contrast checker →