#C2DAFF · #C5E2BE
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 88/100 (triadic) · Distinguishable 49/100 (somewhat similar) · Match 15/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Periwinkle and Bone are very different (ΔE 39). They have distinctly different hues (108° apart) and their lightness is similar, so they read as two same-weight colours.
Periwinkle text on Bone: 1.02:1 (Fail); Bone text on Periwinkle: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #4C6180 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 88/100). 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 #4C6180 clears AA.
Their CIE76 ΔE is about 39 — very different.
clearly different colours (ΔE 39).
Explore each color: Periwinkle #C2DAFF · Bone #C5E2BE · Shades: Periwinkle shades · Bone shades · Contrast checker →