#91B8F0 · #9BC48B
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 95/100 (triadic) · Distinguishable 67/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Light Blue and Dark Sea Green are very different (ΔE 62). They have distinctly different hues (112° apart) and their lightness is similar, so they read as two same-weight colours.
Light Blue text on Dark Sea Green: 1.03:1 (Fail); Dark Sea Green text on Light Blue: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #284A7B clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 95/100). 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 #284A7B clears AA.
Their CIE76 ΔE is about 62 — very different.
clearly different colours (ΔE 62).
Explore each color: Light Blue #91B8F0 · Dark Sea Green #9BC48B · Shades: Light Blue shades · Dark Sea Green shades · Contrast checker →