#428F63 · #6D77BA
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 44/100 (clashing) · Distinguishable 49/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Sea Green and Dusty Blue are very different (ΔE 71). They have distinctly different hues (86° apart) and their lightness is similar, so they read as two same-weight colours.
Sea Green text on Dusty Blue: 1.07:1 (Fail); Dusty Blue text on Sea Green: 1.07:1 (Fail). Neither meets AA at body size — nudging one color to #001506 clears it.
Clashing — awkward hue gap — tends to clash (harmony 44/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #001506 clears AA.
Their CIE76 ΔE is about 71 — very different.
clearly different colours (ΔE 71).
Explore each color: Sea Green #428F63 · Dusty Blue #6D77BA · Shades: Sea Green shades · Dusty Blue shades · Contrast checker →