#F9FC50 Hex Color
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This high-saturation yellow acts as a beacon of pure energy. Because of its extreme lightness, reserve it as a 10% accent to highlight buttons or alerts rather than covering large background areas. Black text provides excellent readability against it, maintaining a 19.1:1 contrast ratio for clean user interfaces. The hex code for this electric hue is #f9fc50, which works best when paired with deep, grounded charcoals.
Questions about #f9fc50
What is #f9fc50 in RGB, HSL and CMYK?
In RGB, #f9fc50 is rgb(249, 252, 80), in HSL hsl(61, 97%, 65%) and in CMYK 1%, 0%, 68%, 1%.
How can I effectively use #f9fc50 in a user interface?
Because of its extreme brightness, reserve #f9fc50 as a 10% accent for buttons, alerts, or small UI indicators rather than using it as a background. It requires strong contrast, so pair it with deep, grounded charcoal text to maintain excellent readability.
Is #f9fc50 readable on white or black?
#f9fc50 has a 1.10:1 contrast ratio on white and 19.06:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.