Nearest named color: Shamrock
#40CC53
#40CC53
Nearest named
Shamrock
Family
Green
Lightness
74.5%
Chroma
0.202
Hue angle
145.3°
Temperature
Neutral-leaning
Contrast on white
2.10:1 · Fail
Contrast on black
8.83:1 · AAA
Web-safe
#33CC66
CSS oklch()
75% 0.20 145

#40CC53 is a mid-toned, temperate teal-green. On the Color Lab it reads bold and ownable. It sits well as a supporting tone.

Palettes built on #40CC53

Not just a swatch — here's how #40CC53 works with other colors. Named schemes with #40CC53 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

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

Japanese Sand Base · 5 colors

Shamrock 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

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

Minimal Editorial Surface · 5 colors

Shamrock 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 carrying the quiet middle.

Coastal Morning Lead · 5 colors

Shamrock 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 #40CC53 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 45/100
Neutral
Balanced temperature — flexible, sits between warm and cool schemes.
Softness 45/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 27/100
Low
Airy and open — recedes, leaves the composition light.
Naturalness 34/100
Low
Loosely natural — an earthy edge without being rustic.
Vintage feel 22/100
Low
Clean and current — no dusty, aged cast.
Luxury 30/100
Low
Understated — leans refined without going austere.
Brand distinctiveness 78/100
High
Bold and ownable — memorable as a primary brand color.
UI accent fit 39/100
Low
Workable accent with care around contrast.
Surface fit 31/100
Low
Usable as a tinted surface in measured doses.
Print safety 56/100
Moderate
Prints close, with a slight loss of vibrancy.

Pairs with #40CC53

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 8.8:1. Use
Subtle surface Use #DDF1E0 for cards and hover fills. Tint 80
Avoid beside #42CD83 — 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 #40CC53 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: #40CC53;
  --color-base-rgb: 64 204 83;
  --color-base-oklch: oklch(74.5% 0.202 145.3);
  --color-50: #F2FCF4;
  --color-100: #DEF7E1;
  --color-200: #BFEEC5;
  --color-300: #92DD9C;
  --color-400: #69C976;
  --color-500: #47AD55;
  --color-600: #3D8546;
  --color-700: #305F36;
  --color-800: #233E26;
  --color-900: #172619;
  --color-on-base: #141310;
}