Nearest named color: Lime Green
#3FCA44
#3FCA44
Nearest named
Lime Green
Family
Green
Lightness
73.8%
Chroma
0.211
Hue angle
143.5°
Temperature
Neutral-leaning
Contrast on white
2.16:1 · Fail
Contrast on black
8.62:1 · AAA
Web-safe
#33CC33
CSS oklch()
74% 0.21 144

#3FCA44 is a mid-toned, temperate green. On the Color Lab it reads bold and ownable. It sits well as a supporting tone.

Palettes built on #3FCA44

Not just a swatch — here's how #3FCA44 works with other colors. Named schemes with #3FCA44 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Lime 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 Lime Green.

Japanese Sand Base · 5 colors

Lime 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

Lime 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

Lime 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 Lime Green carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lime 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 #3FCA44 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 47/100
Neutral
Balanced temperature — flexible, sits between warm and cool schemes.
Softness 44/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 28/100
Low
Airy and open — recedes, leaves the composition light.
Naturalness 27/100
Low
Loosely natural — an earthy edge without being rustic.
Vintage feel 19/100
Very low
Clean and current — no dusty, aged cast.
Luxury 30/100
Low
Understated — leans refined without going austere.
Brand distinctiveness 81/100
Very high
Bold and ownable — memorable as a primary brand color.
UI accent fit 39/100
Low
Workable accent with care around contrast.
Surface fit 30/100
Low
Usable as a tinted surface in measured doses.
Print safety 53/100
Moderate
Prints close, with a slight loss of vibrancy.

Pairs with #3FCA44

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 8.6:1. Use
Subtle surface Use #DCF1DD for cards and hover fills. Tint 80
Avoid beside #3FCA72 — 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 #3FCA44 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: #3FCA44;
  --color-base-rgb: 63 202 68;
  --color-base-oklch: oklch(73.8% 0.211 143.5);
  --color-50: #F3FCF3;
  --color-100: #DEF7DF;
  --color-200: #BFEDC1;
  --color-300: #93DC95;
  --color-400: #6AC86D;
  --color-500: #48AD4C;
  --color-600: #3D8440;
  --color-700: #305E32;
  --color-800: #233E24;
  --color-900: #172617;
  --color-on-base: #141310;
}