#AFDDCC · #D0CCF2
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 42/100 (clashing) · Distinguishable 27/100 (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.
BrookGreen and Periwinkle are very different (ΔE 35). They have distinctly different hues (88° apart) and their lightness is similar, so they read as two same-weight colours.
BrookGreen text on Periwinkle: 1.03:1 (Fail); Periwinkle text on BrookGreen: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #376153 clears it.
Clashing — awkward hue gap — tends to clash (harmony 42/100). 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 #376153 clears AA.
Their CIE76 ΔE is about 35 — very different.
clearly different colours (ΔE 35).
Explore each color: BrookGreen #AFDDCC · Periwinkle #D0CCF2 · Shades: BrookGreen shades · Periwinkle shades · Contrast checker →