Nearest named color: Neon Green
#4FFB3F
#4FFB3F
Nearest named
Neon Green
Family
Green
Lightness
86.7%
Chroma
0.262
Hue angle
141.9°
Temperature
Neutral-leaning
Contrast on white
1.38:1 · Fail
Contrast on black
13.45:1 · AAA
Web-safe
#66FF33
CSS oklch()
87% 0.26 142

#4FFB3F is a mid-toned, temperate green. On the Color Lab it reads clean and engineered, bold and ownable. It is too pale to lead as a primary accent and loses vibrancy on press.

Palettes built on #4FFB3F

Not just a swatch — here's how #4FFB3F works with other colors. Named schemes with #4FFB3F in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Neon Green is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Neon Green.

Japanese Sand Base · 5 colors

Neon Green sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Botanical Studio Lead · 5 colors

Neon Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Minimal Editorial Surface · 5 colors

Neon Green is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Neon Green carrying the quiet middle.

Coastal Morning Lead · 5 colors

Neon Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

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Color Lab

How #4FFB3F actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 48/100
Neutral
Balanced temperature — flexible, sits between warm and cool schemes.
Softness 41/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 15/100
Very low
Airy and open — recedes, leaves the composition light.
Naturalness 4/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 3/100
Very low
Clean and current — no dusty, aged cast.
Luxury 16/100
Very low
Playful and accessible rather than exclusive.
Brand distinctiveness 100/100
Very high
Bold and ownable — memorable as a primary brand color.
UI accent fit 8/100
Very low
Weak as an action color — too pale, too dark or too muted to signal.
Surface fit 42/100
Moderate
Usable as a tinted surface in measured doses.
Print safety 42/100
Moderate
Shifts noticeably in CMYK — expect it to dull on press.

Pairs with #4FFB3F

For UI
For branding
For interior
For fashion

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AAA
Body text Do not use for body copy on light surfaces. Avoid
Large display Only on dark surfaces. Avoid
Background Pair with #141310 text at 13.4:1. Use
Subtle surface Use #E0F9DE for cards and hover fills. Tint 80
Avoid beside #41FB70 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #4FFB3F at work across the surfaces designers actually ship.

Website / UI
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Dashboard
Revenue
$48.2k ▲ 12%
Brand
AVELINE
Studio
Poster
Nov 14 · 8PM
NIGHT
MARKET
Packaging
BLOOM
Botanical Wash
250 ml
Interior

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #4FFB3F;
  --color-base-rgb: 79 251 63;
  --color-base-oklch: oklch(86.7% 0.262 141.9);
  --color-50: #F1FEF0;
  --color-100: #DBFDD8;
  --color-200: #B7FCB1;
  --color-300: #84F67A;
  --color-400: #57E84A;
  --color-500: #34CF26;
  --color-600: #2F9D25;
  --color-700: #276E21;
  --color-800: #1D4819;
  --color-900: #142C12;
  --color-on-base: #141310;
}