#42D5BB · #C5A9FF
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 52/100 (triadic (soft)) · Distinguishable 61/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Eucalyptus and Mauve are very different (ΔE 83). They have distinctly different hues (90° apart) and their lightness is different, giving a clear light/dark split.
Eucalyptus text on Mauve: 1.09:1 (Fail); Mauve text on Eucalyptus: 1.09:1 (Fail). Neither meets AA at body size — nudging one color to #005347 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 52/100). 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 #005347 clears AA.
Their CIE76 ΔE is about 83 — very different.
clearly different colours (ΔE 83).
Explore each color: Eucalyptus #42D5BB · Mauve #C5A9FF · Shades: Eucalyptus shades · Mauve shades · Contrast checker →