#B6E7DA · #DED4FB
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 49/100 (triadic (soft)) · Distinguishable 25/100 (hard to tell apart) · Match 24/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Pale Turquoise and Periwinkle are very different (ΔE 35). They have distinctly different hues (91° apart) and their lightness is similar, so they read as two same-weight colours.
Pale Turquoise text on Periwinkle: 1.03:1 (Fail); Periwinkle text on Pale Turquoise: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #3A675D clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 49/100). 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 #3A675D clears AA.
Their CIE76 ΔE is about 35 — very different.
clearly different colours (ΔE 35).
Explore each color: Pale Turquoise #B6E7DA · Periwinkle #DED4FB · Shades: Pale Turquoise shades · Periwinkle shades · Contrast checker →