#00CDC3 · #0DC6ED
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 76/100 (monochrome) · Distinguishable 31/100 (hard to tell apart) · Match 36/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dark Turquoise and Deep Sky Blue are a clear pair (ΔE 29). They have closely related hues (13° apart) and their lightness is similar, so they read as two same-weight colours.
Dark Turquoise text on Deep Sky Blue: 1.02:1 (Fail); Deep Sky Blue text on Dark Turquoise: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #00514D clears it.
Monochrome — monochrome — a recognised, balanced pairing (harmony 76/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #00514D clears AA.
Their CIE76 ΔE is about 29 — a clear pair.
clearly different colours (ΔE 29).
Explore each color: Dark Turquoise #00CDC3 · Deep Sky Blue #0DC6ED · Shades: Dark Turquoise shades · Deep Sky Blue shades · Contrast checker →