#11FF00 Hex Color
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Phosphorescent Green is an intense, high-saturation neon that demands attention. Because this shade is so aggressive, it functions best as a small accent rather than a background. Pair it with dark grays or charcoal to ground its brightness. When learning how to make green tones for UI design, remember that this hex code, #11ff00, provides excellent readability when used with black text.
About Phosphorescent Green
Glow stick cracked in a dark room
What does phosphorescent green mean?
People often read this green as energy, novelty, and technology, from glow sticks and laser pointers to glowing screens and game graphics. At near-peak lightness and full saturation, it feels loud and electric, grabbing attention before anything else on the page.
Where you see phosphorescent green
- glow sticks
- tennis balls
- slime
- highlighter ink
- firefly light
- laser pointers
What it works for
Use it in small doses for accents that must shout: buttons, badges, highlights, and glow effects on dark backgrounds.
What colors go with phosphorescent green?
Deep Plum #4a2a59The purple's red undertone clashes on purpose, giving the green an electric, almost radioactive charge.Midnight Blue #020035This dark blue barely reflects light, so the green appears to emit its own glow.Bubblegum Pink #f6b0baBoth hues are loud and fully saturated, so neither one outshouts the other.Tangerine #ff9300Warm orange and pure green sit near opposites on the wheel, sharpening each other.
Questions about Phosphorescent Green
What is the hex code for Phosphorescent Green?
Phosphorescent Green is #11ff00. In RGB that is rgb(17, 255, 0), in HSL hsl(116, 100%, 50%) and in CMYK 93%, 0%, 100%, 0%.
Is #11ff00 suitable for large text backgrounds?
Avoid using #11ff00 as a background for long-form body text because its extreme brightness can cause eye strain. It works best for small UI elements like buttons, badges, or notification icons where you need to draw immediate user attention.
Is Phosphorescent Green readable on white or black?
Phosphorescent Green has a 1.37:1 contrast ratio on white and 15.32:1 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.