#BDDEBA · #BFD4FC
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 81/100 (triadic) · Distinguishable 48/100 (somewhat similar) · Match 10/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Fog and Periwinkle are very different (ΔE 41). They have distinctly different hues (104° apart) and their lightness is similar, so they read as two same-weight colours.
Fog text on Periwinkle: 1.02:1 (Fail); Periwinkle text on Fog: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #466243 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 81/100). 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 #466243 clears AA.
Their CIE76 ΔE is about 41 — very different.
clearly different colours (ΔE 41).
Explore each color: Fog #BDDEBA · Periwinkle #BFD4FC · Shades: Fog shades · Periwinkle shades · Contrast checker →