#111111 · #FF0000
Four independent scores (read the one that fits your goal): Readability 62/100 (aa) · Harmony 100/100 (monochrome) · 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.
DreamlessSleep and Red are very different (ΔE 115). They have closely related hues (0° apart) and their lightness is different, giving a clear light/dark split.
DreamlessSleep text on Red: 4.72:1 (AA); Red text on DreamlessSleep: 4.72:1 (AA). Both directions meet WCAG AA.
Monochrome — monochrome — a recognised, balanced pairing (harmony 100/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Yes — 4.7:1, which meets WCAG AA.
Their CIE76 ΔE is about 115 — very different.
clearly different colours (ΔE 115).
Explore each color: DreamlessSleep #111111 · Red #FF0000 · Shades: DreamlessSleep shades · Red shades · Contrast checker →