#9ECDD5 · #D7B8D4
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 99/100 (triadic) · Distinguishable 52/100 (somewhat similar) · Match 35/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
SeaDew and Thistle are a clear pair (ΔE 29). They have distinctly different hues (117° apart) and their lightness is similar, so they read as two same-weight colours.
SeaDew text on Thistle: 1.04:1 (Fail); Thistle text on SeaDew: 1.04:1 (Fail). Neither meets AA at body size — nudging one color to #2A565E clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 99/100). 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 #2A565E clears AA.
Their CIE76 ΔE is about 29 — a clear pair.
clearly different colours (ΔE 29).
Explore each color: SeaDew #9ECDD5 · Thistle #D7B8D4 · Shades: SeaDew shades · Thistle shades · Contrast checker →