#7FB0FF · #83C374
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 95/100 (triadic) · Distinguishable 77/100 (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 Vivid Blue and Emerald are very different (ΔE 87). They have distinctly different hues (108° apart) and their lightness is similar, so they read as two same-weight colours.
Light Vivid Blue text on Emerald: 1.05:1 (Fail); Emerald text on Light Vivid Blue: 1.05:1 (Fail). Neither meets AA at body size — nudging one color to #184489 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 95/100). 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 #184489 clears AA.
Their CIE76 ΔE is about 87 — very different.
clearly different colours (ΔE 87).
Explore each color: Light Vivid Blue #7FB0FF · Emerald #83C374 · Shades: Light Vivid Blue shades · Emerald shades · Contrast checker →