#BEC8FF · #FABBA9
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 94/100 (split-complementary) · Distinguishable 85/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Periwinkle and Yahoo are very different (ΔE 48). They have distinctly different hues (143° apart) and their lightness is similar, so they read as two same-weight colours.
Periwinkle text on Yahoo: 1.01:1 (Fail); Yahoo text on Periwinkle: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #4B5282 clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 94/100). 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 #4B5282 clears AA.
Their CIE76 ΔE is about 48 — very different.
clearly different colours (ΔE 48).
Explore each color: Periwinkle #BEC8FF · Yahoo #FABBA9 · Shades: Periwinkle shades · Yahoo shades · Contrast checker →