#CBCDFD · #F9C4AF
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 77/100 (split-complementary) · Distinguishable 79/100 (easy to tell apart) · Match 7/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Periwinkle and Melon are very different (ΔE 42). They have distinctly different hues (139° apart) and their lightness is similar, so they read as two same-weight colours.
Periwinkle text on Melon: 1.01:1 (Fail); Melon text on Periwinkle: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #55557F clears it.
Split-complementary — split-complementary — a recognised, balanced pairing (harmony 77/100). 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 #55557F clears AA.
Their CIE76 ΔE is about 42 — very different.
clearly different colours (ΔE 42).
Explore each color: Periwinkle #CBCDFD · Melon #F9C4AF · Shades: Periwinkle shades · Melon shades · Contrast checker →