#C1D8AC · #DCC4EF
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 99/100 (complementary) · Distinguishable 40/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
WinterWillowGreen and Periwinkle are very different (ΔE 49). They have near-opposite hues (178° apart) and their lightness is similar, so they read as two same-weight colours.
WinterWillowGreen text on Periwinkle: 1.04:1 (Fail); Periwinkle text on WinterWillowGreen: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #4A5D37 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 #4A5D37 clears AA.
Their CIE76 ΔE is about 49 — very different.
clearly different colours (ΔE 49).
Explore each color: WinterWillowGreen #C1D8AC · Periwinkle #DCC4EF · Shades: WinterWillowGreen shades · Periwinkle shades · Contrast checker →