#D4E4BA · #E5D4FD
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 99/100 (complementary) · Distinguishable 42/100 (somewhat similar) · Match 1/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
CeleryRoot and Periwinkle are very different (ΔE 45). They have near-opposite hues (178° apart) and their lightness is similar, so they read as two same-weight colours.
CeleryRoot text on Periwinkle: 1.03:1 (Fail); Periwinkle text on CeleryRoot: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #586540 clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 99/100). 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 #586540 clears AA.
Their CIE76 ΔE is about 45 — very different.
clearly different colours (ΔE 45).
Explore each color: CeleryRoot #D4E4BA · Periwinkle #E5D4FD · Shades: CeleryRoot shades · Periwinkle shades · Contrast checker →