#09B399 · #111111
Four independent scores (read the one that fits your goal): Readability 80/100 (aaa) · Harmony 96/100 (complementary) · Distinguishable 98/100 (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.
Light Sea Green and DreamlessSleep are very different (ΔE 75). They have near-opposite hues (171° apart) and their lightness is different, giving a clear light/dark split.
Light Sea Green text on DreamlessSleep: 7.12:1 (AAA); DreamlessSleep text on Light Sea Green: 7.12:1 (AAA). Both directions meet WCAG AA.
Complementary — complementary — a recognised, balanced pairing (harmony 96/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Yes — 7.1:1, which meets WCAG AA.
Their CIE76 ΔE is about 75 — very different.
clearly different colours (ΔE 75).
Explore each color: Light Sea Green #09B399 · DreamlessSleep #111111 · Shades: Light Sea Green shades · DreamlessSleep shades · Contrast checker →