#B4FC39 Hex Color
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#b4fc39 is a highly saturated, light green with a bright yellow undertone and a sparkling neon finish. Its energetic glow suits nature brands, sports graphics, gaming interfaces, and energy drink packaging. Use it as a 10% accent against charcoal or deep navy rather than a full background. Black text remains highly legible on this color. The hex code is #b4fc39.
Questions about #b4fc39
What is #b4fc39 in RGB, HSL and CMYK?
In RGB, #b4fc39 is rgb(180, 252, 57), in HSL hsl(82, 97%, 61%) and in CMYK 29%, 0%, 77%, 1%.
How should #b4fc39 be used in a palette?
#b4fc39 works best as a small accent against charcoal or deep navy backgrounds, where its neon yellow-green glow stands out clearly without overwhelming the design or competing with other bright colors.
Is #b4fc39 warm or cool?
#b4fc39 reads as a warm green because its strong yellow undertone pushes it toward lime, while its high saturation and light value create a vivid, electric appearance rather than a soft or earthy one.
Is #b4fc39 readable on white or black?
#b4fc39 has a 1.24:1 contrast ratio on white and 16.92:1 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.