Nearest named color: Kelly Green
#3CAA18
#3CAA18
Nearest named
Kelly Green
Family
Green
Lightness
65.0%
Chroma
0.199
Hue angle
139.9°
Temperature
Neutral-leaning
Contrast on white
3.02:1 · AA Large
Contrast on black
6.15:1 · AA
Web-safe
#339900
CSS oklch()
65% 0.20 140

#3CAA18 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 #3CAA18

Not just a swatch — here's how #3CAA18 works with other colors. Named schemes with #3CAA18 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Kelly 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 Kelly Green.

Japanese Sand Base · 5 colors

Kelly 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

Kelly 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

Kelly 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 Kelly Green carrying the quiet middle.

Coastal Morning Lead · 5 colors

Kelly 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 #3CAA18 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 50/100
Neutral
Balanced temperature — flexible, sits between warm and cool schemes.
Softness 40/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 38/100
Low
Mid depth — usable as an accent or a muted ground.
Naturalness 38/100
Low
Loosely natural — an earthy edge without being rustic.
Vintage feel 27/100
Low
A faint retro warmth without tipping into sepia.
Luxury 38/100
Low
Understated — leans refined without going austere.
Brand distinctiveness 77/100
High
Bold and ownable — memorable as a primary brand color.
UI accent fit 68/100
High
Strong interactive accent — visible and can carry a legible label.
Surface fit 22/100
Low
Too saturated or mid-toned for big areas — keep it to accents.
Print safety 56/100
Moderate
Prints close, with a slight loss of vibrancy.

Pairs with #3CAA18

For UI
For branding
For interior
For fashion
People also use #3CAA18 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 6.2:1. Use
Subtle surface Use #D7F0CE for cards and hover fills. Tint 80
Avoid beside #18AA24 — 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 #3CAA18 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: #3CAA18;
  --color-base-rgb: 60 170 24;
  --color-base-oklch: oklch(65.0% 0.199 139.9);
  --color-50: #F4FEF1;
  --color-100: #E3FBDA;
  --color-200: #C7F5B8;
  --color-300: #9FE887;
  --color-400: #7AD75B;
  --color-500: #59BC38;
  --color-600: #4A9032;
  --color-700: #386629;
  --color-800: #27421E;
  --color-900: #1A2914;
  --color-on-base: #141310;
}