#111111 · #638B00
Four independent scores (read the one that fits your goal): Readability 62/100 (aa) · Harmony 26/100 (clashing) · 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.
DreamlessSleep and Olive Drab are very different (ΔE 81). They have distinctly different hues (77° apart) and their lightness is different, giving a clear light/dark split.
DreamlessSleep text on Olive Drab: 4.70:1 (AA); Olive Drab text on DreamlessSleep: 4.70:1 (AA). Both directions meet WCAG AA.
Clashing — awkward hue gap — tends to clash (harmony 26/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Yes — 4.7:1, which meets WCAG AA.
Their CIE76 ΔE is about 81 — very different.
clearly different colours (ΔE 81).
Explore each color: DreamlessSleep #111111 · Olive Drab #638B00 · Shades: DreamlessSleep shades · Olive Drab shades · Contrast checker →