#111111 · #A1700A
Four independent scores (read the one that fits your goal): Readability 58/100 (aa large) · Harmony 95/100 (analogous) · Distinguishable 99/100 (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 Vivid Yellow are very different (ΔE 73). They have distinctly different hues (41° apart) and their lightness is different, giving a clear light/dark split.
DreamlessSleep text on Dark Vivid Yellow: 4.35:1 (AA Large); Dark Vivid Yellow text on DreamlessSleep: 4.35:1 (AA Large). Neither meets AA at body size — nudging one color to #0C0C0C clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 95/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 4.3:1, below the 4.5:1 minimum. Nudging one colour to #0C0C0C clears AA.
Their CIE76 ΔE is about 73 — very different.
clearly different colours (ΔE 73).
Explore each color: DreamlessSleep #111111 · Dark Vivid Yellow #A1700A · Shades: DreamlessSleep shades · Dark Vivid Yellow shades · Contrast checker →