#91CD92 · #9BBAFE
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 71/100 (triadic) · Distinguishable 60/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Medium Aquamarine and Light Vivid Blue are very different (ΔE 71). They have distinctly different hues (100° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Aquamarine text on Light Vivid Blue: 1.05:1 (Fail); Light Vivid Blue text on Medium Aquamarine: 1.05:1 (Fail). Neither meets AA at body size — nudging one color to #1C5622 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 71/100). 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 #1C5622 clears AA.
Their CIE76 ΔE is about 71 — very different.
clearly different colours (ΔE 71).
Explore each color: Medium Aquamarine #91CD92 · Light Vivid Blue #9BBAFE · Shades: Medium Aquamarine shades · Light Vivid Blue shades · Contrast checker →