#FFF3DF · #FFFF00
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 100/100 (analogous) · Distinguishable 100/100 (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.
Warm White and Yellow are very different (ΔE 86). They have closely related hues (23° apart) and their lightness is different, giving a clear light/dark split.
Warm White text on Yellow: 1.02:1 (Fail); Yellow text on Warm White: 1.02:1 (Fail). Neither meets AA at body size — nudging one color to #7B705F clears it.
Analogous — analogous — 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 1.0:1, below the 4.5:1 minimum. Nudging one colour to #7B705F clears AA.
Their CIE76 ΔE is about 86 — very different.
clearly different colours (ΔE 86).
Explore each color: Warm White #FFF3DF · Yellow #FFFF00 · Shades: Warm White shades · Yellow shades · Contrast checker →