#00212F · #111111
Four independent scores (read the one that fits your goal): Readability 3/100 (fail) · Harmony 86/100 (split-complementary) · Distinguishable 49/100 (somewhat similar) · Match 67/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Vivid Cyan and DreamlessSleep are a clear pair (ΔE 15). They have near-opposite hues (162° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Vivid Cyan text on DreamlessSleep: 1.13:1 (Fail); DreamlessSleep text on Deep Vivid Cyan: 1.13:1 (Fail). Neither meets AA at body size — nudging one color to #5F8192 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 86/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #5F8192 clears AA.
Their CIE76 ΔE is about 15 — a clear pair.
clearly different colours (ΔE 15).
Explore each color: Deep Vivid Cyan #00212F · DreamlessSleep #111111 · Shades: Deep Vivid Cyan shades · DreamlessSleep shades · Contrast checker →