Nearest named color: Shamrock Green
#3DA428
#3DA428
Nearest named
Shamrock Green
Family
Green
Lightness
63.5%
Chroma
0.185
Hue angle
140.7°
Temperature
Neutral-leaning
Contrast on white
3.21:1 · AA Large
Contrast on black
5.79:1 · AA
Web-safe
#339933
CSS oklch()
63% 0.18 141

#3DA428 is a mid-toned, temperate green. On the Color Lab it reads bold and ownable. It carries a legible label as a UI accent and sits well as a supporting tone.

Palettes built on #3DA428

Not just a swatch — here's how #3DA428 works with other colors. Named schemes with #3DA428 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

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

Coastal Morning Lead · 5 colors

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

Japanese Sand Base · 5 colors

Shamrock 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.

Warm Autumn Interior Dominant · 5 colors

This palette keeps Shamrock Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Minimal Editorial Surface · 5 colors

Shamrock 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 Shamrock Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #3DA428 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 49/100
Neutral
Balanced temperature — flexible, sits between warm and cool schemes.
Softness 42/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 39/100
Low
Mid depth — usable as an accent or a muted ground.
Naturalness 53/100
Moderate
Loosely natural — an earthy edge without being rustic.
Vintage feel 33/100
Low
A faint retro warmth without tipping into sepia.
Luxury 41/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 71/100
High
Bold and ownable — memorable as a primary brand color.
UI accent fit 76/100
High
Strong interactive accent — visible and can carry a legible label.
Surface fit 20/100
Low
Too saturated or mid-toned for big areas — keep it to accents.
Print safety 59/100
Moderate
Prints close, with a slight loss of vibrancy.

Pairs with #3DA428

For UI
For branding
For interior
For fashion
People also use #3DA428 with

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA
Body text Do not use for body copy on light surfaces. Avoid
Large display Fine for headings 24px+ on white. Pass
Background Pair with #141310 text at 5.8:1. Use
Subtle surface Use #D7EED3 for cards and hover fills. Tint 80
Avoid beside #28A43D — 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 #3DA428 at work across the surfaces designers actually ship.

Website / UI
Northwind Sign up
Build faster.
A working theme, generated in seconds.
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: #3DA428;
  --color-base-rgb: 61 164 40;
  --color-base-oklch: oklch(63.5% 0.185 140.7);
  --color-50: #F4FCF2;
  --color-100: #E2F8DD;
  --color-200: #C6EFBD;
  --color-300: #9DDF90;
  --color-400: #77CB67;
  --color-500: #57B045;
  --color-600: #48873B;
  --color-700: #37602F;
  --color-800: #273F22;
  --color-900: #192716;
  --color-on-base: #141310;
}