#111111 · #9FC656
Four independent scores (read the one that fits your goal): Readability 84/100 (aaa) · Harmony 33/100 (clashing) · Distinguishable 95/100 (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 Yellow Green are very different (ΔE 92). They have distinctly different hues (81° apart) and their lightness is different, giving a clear light/dark split.
DreamlessSleep text on Yellow Green: 9.61:1 (AAA); Yellow Green text on DreamlessSleep: 9.61:1 (AAA). Both directions meet WCAG AA.
Clashing — awkward hue gap — tends to clash (harmony 33/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Yes — 9.6:1, which meets WCAG AA.
Their CIE76 ΔE is about 92 — very different.
clearly different colours (ΔE 92).
Explore each color: DreamlessSleep #111111 · Yellow Green #9FC656 · Shades: DreamlessSleep shades · Yellow Green shades · Contrast checker →