What color is #40CC57?

#40CC57 is a medium green. In RGB it is rgb(64, 204, 87), and in HSL hsl(130, 58%, 53%).

Is #40CC57 accessible as text?

On white, #40CC57 has a contrast ratio of 2.10:1 (fails WCAG AA for body text); on black it is 9.99:1 (passes). For text placed on #40CC57, use black for the best readability.

What is the closest Tailwind color to #40CC57?

The nearest Tailwind CSS token is green-500 (#00C950).

What colors go well with #40CC57?

#40CC57 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CD42B5. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #40CC57 below.

Is #40CC57 good for buttons?

#40CC57 works well for buttons and highlights, but use black text on #40CC57 — white text only reaches 2.10:1, below the 4.5:1 needed for normal-size labels.

Is #40CC57 the same as CSS limegreen?

No — #40CC57 is not the CSS named color limegreen, but limegreen (#32CD32) is the closest CSS named color.

#40CC57 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #40CC57

Not just a swatch — here's how #40CC57 works with other colors. Named schemes with #40CC57 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #40CC57 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #7CF188

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

Base #40CC57 Surface #EEE9DC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

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

Lead #40CC57 Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

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

Surface #F7F4EF Accent #40CC57 Secondary #BDE6BE Support #989286 Ink #17140F

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

Lead #40CC57 Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #1A3648

Shamrock 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 #40CC57 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 46/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 27/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 37/100

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 77/100

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 #40CC57

For UI

For branding

For interior

For fashion

People also use #40CC57 with

Yellow Green Medium Aquamarine Byzantine Platinum Hunter Green

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 #42CD87 — 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 #40CC57 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

Every model

Export

:root {
  --color-base: #40CC57;
  --color-base-rgb: 64 204 87;
  --color-base-oklch: oklch(74.6% 0.198 145.9);
  --color-50: #F2FCF4;
  --color-100: #DEF7E2;
  --color-200: #BFEEC6;
  --color-300: #92DD9F;
  --color-400: #69C979;
  --color-500: #47AD58;
  --color-600: #3D8549;
  --color-700: #305F38;
  --color-800: #233E27;
  --color-900: #172619;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  shamrock: {
    50: '#F2FCF4',
    100: '#DEF7E2',
    200: '#BFEEC6',
    300: '#92DD9F',
    400: '#69C979',
    500: '#47AD58',
    600: '#3D8549',
    700: '#305F38',
    800: '#233E27',
    900: '#172619',
  },
}

$base: #40CC57;
$base-ink: #141310;
$base-50: #F2FCF4;
$base-100: #DEF7E2;
$base-200: #BFEEC6;
$base-300: #92DD9F;
$base-400: #69C979;
$base-500: #47AD58;
$base-600: #3D8549;
$base-700: #305F38;
$base-800: #233E27;
$base-900: #172619;
$base-hover: #2DAB42;
$base-subtle: #CBEBD0;

{
    "color": {
        "base": {
            "value": "#40CC57",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FCF4",
                "type": "color"
            },
            "100": {
                "value": "#DEF7E2",
                "type": "color"
            },
            "200": {
                "value": "#BFEEC6",
                "type": "color"
            },
            "300": {
                "value": "#92DD9F",
                "type": "color"
            },
            "400": {
                "value": "#69C979",
                "type": "color"
            },
            "500": {
                "value": "#47AD58",
                "type": "color"
            },
            "600": {
                "value": "#3D8549",
                "type": "color"
            },
            "700": {
                "value": "#305F38",
                "type": "color"
            },
            "800": {
                "value": "#233E27",
                "type": "color"
            },
            "900": {
                "value": "#172619",
                "type": "color"
            }
        }
    }
}