#E9D6B1 · #EBCDEC
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 74/100 (triadic) · Distinguishable 47/100 (somewhat similar) · Match 22/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
DuckTail and Periwinkle are very different (ΔE 35). They have distinctly different hues (102° apart) and their lightness is similar, so they read as two same-weight colours.
DuckTail text on Periwinkle: 1.02:1 (Fail); Periwinkle text on DuckTail: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #6C5B3A clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 74/100). 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 #6C5B3A clears AA.
Their CIE76 ΔE is about 35 — very different.
clearly different colours (ΔE 35).
Explore each color: DuckTail #E9D6B1 · Periwinkle #EBCDEC · Shades: DuckTail shades · Periwinkle shades · Contrast checker →