#009FAC · #111111
Four independent scores (read the one that fits your goal): Readability 71/100 (aa) · Harmony 100/100 (complementary) · 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.
Cadet Blue and DreamlessSleep are very different (ΔE 64). They have near-opposite hues (175° apart) and their lightness is different, giving a clear light/dark split.
Cadet Blue text on DreamlessSleep: 5.89:1 (AA); DreamlessSleep text on Cadet Blue: 5.89:1 (AA). Both directions meet WCAG AA.
Complementary — complementary — a recognised, balanced pairing (harmony 100/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Yes — 5.9:1, which meets WCAG AA.
Their CIE76 ΔE is about 64 — very different.
clearly different colours (ΔE 64).
Explore each color: Cadet Blue #009FAC · DreamlessSleep #111111 · Shades: Cadet Blue shades · DreamlessSleep shades · Contrast checker →