#F99AAA · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 21/100 (fail) · Harmony 91/100 (monochrome) · Distinguishable 71/100 (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.
Light Vivid Red and White are very different (ΔE 46). They have closely related hues (10° apart) and their lightness is different, giving a clear light/dark split.
Light Vivid Red text on White: 2.05:1 (Fail); White text on Light Vivid Red: 2.05:1 (Fail). Neither meets AA at body size — nudging one color to #B35C6C clears it.
Monochrome — monochrome — a recognised, balanced pairing (harmony 91/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 2.1:1, below the 4.5:1 minimum. Nudging one colour to #B35C6C clears AA.
Their CIE76 ΔE is about 46 — very different.
clearly different colours (ΔE 46).
Explore each color: Light Vivid Red #F99AAA · White #FFFFFF · Shades: Light Vivid Red shades · White shades · Contrast checker →