#006654 · #111111
Four independent scores (read the one that fits your goal): Readability 34/100 (fail) · Harmony 93/100 (complementary) · Distinguishable 77/100 (easy to tell apart) · Match 1/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dark Vivid Teal and DreamlessSleep are very different (ΔE 45). They have near-opposite hues (169° apart) and their lightness is similar, so they read as two same-weight colours.
Dark Vivid Teal text on DreamlessSleep: 2.72:1 (Fail); DreamlessSleep text on Dark Vivid Teal: 2.72:1 (Fail). Neither meets AA at body size — nudging one color to #378A76 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 2.7:1, below the 4.5:1 minimum. Nudging one colour to #378A76 clears AA.
Their CIE76 ΔE is about 45 — very different.
clearly different colours (ΔE 45).
Explore each color: Dark Vivid Teal #006654 · DreamlessSleep #111111 · Shades: Dark Vivid Teal shades · DreamlessSleep shades · Contrast checker →