#51C930 Hex Color
Online color picker to view shades, tints, color codes, and complementary colors
High-voltage and unapologetic, #51c930 demands attention. This intense green is too aggressive for large backgrounds, but it thrives as a 10% accent or a call-to-action button. Pair it with deep charcoal or slate for a modern, high-contrast look that keeps text readable. Because black text maintains excellent clarity over this shade, it works well for graphic UI elements where legibility is mandatory.
Questions about #51c930
What is #51c930 in RGB, HSL and CMYK?
In RGB, #51c930 is rgb(81, 201, 48), in HSL hsl(107, 61%, 49%) and in CMYK 60%, 0%, 76%, 21%.
How should I effectively use #51c930 in a professional interface?
#51c930 serves as a powerful accent color best reserved for small, high-priority elements like call-to-action buttons or alert icons. Because it is so visually aggressive, using it sparingly against deep charcoal or slate backgrounds ensures the UI feels modern rather than overwhelming.
What colors create the most harmonious palette with #51c930?
Is #51c930 readable on white or black?
#51c930 has a 2.15:1 contrast ratio on white and 9.74:1 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.