#91D6A9 · #B2BFFF
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 49/100 (triadic (soft)) · Distinguishable 47/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Light Green and Light Vivid Blue are very different (ΔE 63). They have distinctly different hues (89° apart) and their lightness is similar, so they read as two same-weight colours.
Light Green text on Light Vivid Blue: 1.05:1 (Fail); Light Vivid Blue text on Light Green: 1.05:1 (Fail). Neither meets AA at body size — nudging one color to #145C36 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 49/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #145C36 clears AA.
Their CIE76 ΔE is about 63 — very different.
clearly different colours (ΔE 63).
Explore each color: Light Green #91D6A9 · Light Vivid Blue #B2BFFF · Shades: Light Green shades · Light Vivid Blue shades · Contrast checker →