#C8DFC3 · #E5CEEA
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 100/100 (complementary) · Distinguishable 27/100 (hard to tell apart) · Match 26/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
ShanghaiSilk and Periwinkle are very different (ΔE 34). They have near-opposite hues (180° apart) and their lightness is similar, so they read as two same-weight colours.
ShanghaiSilk text on Periwinkle: 1.03:1 (Fail); Periwinkle text on ShanghaiSilk: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #4F624A clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 100/100). 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 #4F624A clears AA.
Their CIE76 ΔE is about 34 — very different.
clearly different colours (ΔE 34).
Explore each color: ShanghaiSilk #C8DFC3 · Periwinkle #E5CEEA · Shades: ShanghaiSilk shades · Periwinkle shades · Contrast checker →