#111111 · #565B11
Four independent scores (read the one that fits your goal): Readability 32/100 (fail) · Harmony 36/100 (clashing) · Distinguishable 70/100 (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 Dark Olive Green are very different (ΔE 52). They have distinctly different hues (64° apart) and their lightness is similar, so they read as two same-weight colours.
DreamlessSleep text on Dark Olive Green: 2.61:1 (Fail); Dark Olive Green text on DreamlessSleep: 2.61:1 (Fail). Neither meets AA at body size — nudging one color to #CCCCCC clears it.
Clashing — awkward hue gap — tends to clash (harmony 36/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 2.6:1, below the 4.5:1 minimum. Nudging one colour to #CCCCCC clears AA.
Their CIE76 ΔE is about 52 — very different.
clearly different colours (ΔE 52).
Explore each color: DreamlessSleep #111111 · Dark Olive Green #565B11 · Shades: DreamlessSleep shades · Dark Olive Green shades · Contrast checker →