#91A524 · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 35/100 (fail) · Harmony 26/100 (clashing) · Distinguishable 97/100 (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.
Lime and White are very different (ΔE 73). They have distinctly different hues (69° apart) and their lightness is different, giving a clear light/dark split.
Lime text on White: 2.76:1 (Fail); White text on Lime: 2.76:1 (Fail). Neither meets AA at body size — nudging one color to #6E7E00 clears it.
Clashing — awkward hue gap — tends to clash (harmony 26/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 2.8:1, below the 4.5:1 minimum. Nudging one colour to #6E7E00 clears AA.
Their CIE76 ΔE is about 73 — very different.
clearly different colours (ΔE 73).
Explore each color: Lime #91A524 · White #FFFFFF · Shades: Lime shades · White shades · Contrast checker →