#111111 · #271A01
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 91/100 (analogous) · Distinguishable 47/100 (somewhat similar) · Match 64/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
DreamlessSleep and Deep Vivid Yellow are a clear pair (ΔE 16). They have distinctly different hues (39° apart) and their lightness is similar, so they read as two same-weight colours.
DreamlessSleep text on Deep Vivid Yellow: 1.11:1 (Fail); Deep Vivid Yellow text on DreamlessSleep: 1.11:1 (Fail). Neither meets AA at body size — nudging one color to #848484 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 91/100). 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 #848484 clears AA.
Their CIE76 ΔE is about 16 — a clear pair.
clearly different colours (ΔE 16).
Explore each color: DreamlessSleep #111111 · Deep Vivid Yellow #271A01 · Shades: DreamlessSleep shades · Deep Vivid Yellow shades · Contrast checker →