#B6E5D6 · #DAD3F9
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 46/100 (triadic (soft)) · Distinguishable 28/100 (hard to tell apart) · Match 25/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
OdeToGreen and Periwinkle are very different (ΔE 34). They have distinctly different hues (90° apart) and their lightness is similar, so they read as two same-weight colours.
OdeToGreen text on Periwinkle: 1.03:1 (Fail); Periwinkle text on OdeToGreen: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #3B665A clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 46/100). 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 #3B665A clears AA.
Their CIE76 ΔE is about 34 — very different.
clearly different colours (ΔE 34).
Explore each color: OdeToGreen #B6E5D6 · Periwinkle #DAD3F9 · Shades: OdeToGreen shades · Periwinkle shades · Contrast checker →