#69AB5A · #9D9E2A
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 71/100 (analogous) · Distinguishable 76/100 (easy to tell apart) · Match 31/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Medium Sea Green and Lime are very different (ΔE 31). They have distinctly different hues (48° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Sea Green text on Lime: 1.03:1 (Fail); Lime text on Medium Sea Green: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #093A00 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 71/100). 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 #093A00 clears AA.
Their CIE76 ΔE is about 31 — very different.
clearly different colours (ΔE 31).
Explore each color: Medium Sea Green #69AB5A · Lime #9D9E2A · Shades: Medium Sea Green shades · Lime shades · Contrast checker →