#8FD1AB · #B3BBF7
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 46/100 (triadic (soft)) · Distinguishable 44/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Medium Aquamarine and Light Steel Blue are very different (ΔE 58). They have distinctly different hues (87° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Aquamarine text on Light Steel Blue: 1.04:1 (Fail); Light Steel Blue text on Medium Aquamarine: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #14593A 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 #14593A clears AA.
Their CIE76 ΔE is about 58 — very different.
clearly different colours (ΔE 58).
Explore each color: Medium Aquamarine #8FD1AB · Light Steel Blue #B3BBF7 · Shades: Medium Aquamarine shades · Light Steel Blue shades · Contrast checker →