#3BDB39 Hex Color
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This is no soft sage. The hex code #3bdb39 is a neon green at full saturation, so it reads electric rather than calm. Use it as a small accent, roughly 10% of a palette, against charcoal or deep plum, where its glow feels intentional instead of harsh. Full backgrounds can tire the eye, though black text on it reaches about 11.4:1 contrast.
Questions about #3bdb39
What is #3bdb39 in RGB, HSL and CMYK?
In RGB, #3bdb39 is rgb(59, 219, 57), in HSL hsl(119, 69%, 54%) and in CMYK 73%, 0%, 74%, 14%.
What colors pair well with #3bdb39?
Where does #3bdb39 work best in a design?
Treat it as the small accent in a 60/30/10 palette, for buttons, badges, or data highlights. As a full background its intensity wears on the eye fast.
Is #3bdb39 readable on white or black?
#3bdb39 has a 1.84:1 contrast ratio on white and 11.37:1 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.