#D9E7E5 · #E6E1EC
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 60/100 (triadic (soft)) · Distinguishable 7/100 (hard to tell apart) · Match 79/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
TulleSoftBlue and Lavender are very close (ΔE 10). They have distinctly different hues (96° apart) and their lightness is similar, so they read as two same-weight colours.
TulleSoftBlue text on Lavender: 1.01:1 (Fail); Lavender text on TulleSoftBlue: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #5C6867 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 60/100). 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 #5C6867 clears AA.
Their CIE76 ΔE is about 10 — very close.
close but visibly different (ΔE 9.6).
Explore each color: TulleSoftBlue #D9E7E5 · Lavender #E6E1EC · Shades: TulleSoftBlue shades · Lavender shades · Contrast checker →