#009AAE · #0692D7
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 77/100 (monochrome) · Distinguishable 31/100 (hard to tell apart) · Match 32/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dark Vivid Cyan and Vivid Cyan are very different (ΔE 31). They have closely related hues (13° apart) and their lightness is similar, so they read as two same-weight colours.
Dark Vivid Cyan text on Vivid Cyan: 1.02:1 (Fail); Vivid Cyan text on Dark Vivid Cyan: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #00282F clears it.
Monochrome — monochrome — a recognised, balanced pairing (harmony 77/100). 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 #00282F clears AA.
Their CIE76 ΔE is about 31 — very different.
clearly different colours (ΔE 31).
Explore each color: Dark Vivid Cyan #009AAE · Vivid Cyan #0692D7 · Shades: Dark Vivid Cyan shades · Vivid Cyan shades · Contrast checker →