#4FB261 · #E77165
Four independent scores (read the one that fits your goal): Readability 3/100 (fail) · Harmony 100/100 (triadic) · Distinguishable 85/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Medium Sea Green and Terracotta are very different (ΔE 91). They have distinctly different hues (125° apart) and their lightness is similar, so they read as two same-weight colours.
Medium Sea Green text on Terracotta: 1.13:1 (Fail); Terracotta text on Medium Sea Green: 1.13:1 (Fail). Neither meets AA at body size — nudging one color to #00360D clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 100/100). 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 #00360D clears AA.
Their CIE76 ΔE is about 91 — very different.
clearly different colours (ΔE 91).
Explore each color: Medium Sea Green #4FB261 · Terracotta #E77165 · Shades: Medium Sea Green shades · Terracotta shades · Contrast checker →