#90C8A5 · #ACB5EA
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 49/100 (triadic (soft)) · Distinguishable 42/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dark Sea Green and Light Steel Blue are very different (ΔE 52). They have distinctly different hues (89° apart) and their lightness is similar, so they read as two same-weight colours.
Dark Sea Green text on Light Steel Blue: 1.04:1 (Fail); Light Steel Blue text on Dark Sea Green: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #1D5336 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 #1D5336 clears AA.
Their CIE76 ΔE is about 52 — very different.
clearly different colours (ΔE 52).
Explore each color: Dark Sea Green #90C8A5 · Light Steel Blue #ACB5EA · Shades: Dark Sea Green shades · Light Steel Blue shades · Contrast checker →