Nearest named color: Kelly Green
#2BB51C
#2BB51C
Nearest named
Kelly Green
Family
Green
Lightness
67.5%
Chroma
0.215
Hue angle
141.8°
Temperature
Neutral-leaning
Contrast on white
2.72:1 · Fail
Contrast on black
6.84:1 · AA
Web-safe
#33CC33
CSS oklch()
68% 0.22 142

#2BB51C 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 #2BB51C

Not just a swatch — here's how #2BB51C works with other colors. Named schemes with #2BB51C 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.

Build a working theme in the generator →

Color Lab

How #2BB51C 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 40/100
Low
Middle-weight — neither delicate nor heavy.
Depth 35/100
Low
Mid depth — usable as an accent or a muted ground.
Naturalness 25/100
Low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 20/100
Low
Clean and current — no dusty, aged cast.
Luxury 35/100
Low
Understated — leans refined without going austere.
Brand distinctiveness 83/100
Very high
Bold and ownable — memorable as a primary brand color.
UI accent fit 55/100
Moderate
Workable accent with care around contrast.
Surface fit 24/100
Low
Too saturated or mid-toned for big areas — keep it to accents.
Print safety 52/100
Moderate
Prints close, with a slight loss of vibrancy.

Pairs with #2BB51C

For UI
For branding
For interior
For fashion

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 Only on dark surfaces. Avoid
Background Pair with #141310 text at 6.8:1. Use
Subtle surface Use #D4F1D1 for cards and hover fills. Tint 80
Avoid beside #1CB540 — 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 #2BB51C 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: #2BB51C;
  --color-base-rgb: 43 181 28;
  --color-base-oklch: oklch(67.5% 0.215 141.8);
  --color-50: #F2FDF1;
  --color-100: #DEFADB;
  --color-200: #BEF4B9;
  --color-300: #92E788;
  --color-400: #69D55D;
  --color-500: #47BB3A;
  --color-600: #3D8E33;
  --color-700: #30652A;
  --color-800: #22421F;
  --color-900: #172815;
  --color-on-base: #141310;
}