What color is #18A031?

#18A031 is a dark, vivid green. In RGB it is rgb(24, 160, 49), and in HSL hsl(131, 74%, 36%).

Is #18A031 accessible as text?

On white, #18A031 has a contrast ratio of 3.44:1 (fails WCAG AA for body text); on black it is 6.11:1 (passes). For text placed on #18A031, use black for the best readability.

What is the closest Tailwind color to #18A031?

The nearest Tailwind CSS token is green-600 (#00A63E).

What colors go well with #18A031?

#18A031 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A01887. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #18A031 below.

Is #18A031 good for buttons?

#18A031 works well for buttons and highlights, but use black text on #18A031 — white text only reaches 3.44:1, below the 4.5:1 needed for normal-size labels.

Is #18A031 the same as CSS forestgreen?

No — #18A031 is not the CSS named color forestgreen, but forestgreen (#228B22) is the closest CSS named color.

#18A031 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #18A031

Not just a swatch — here's how #18A031 works with other colors. Named schemes with #18A031 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #18A031 Secondary #4C6B3B Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

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

Tech Product Signal · 5 colors

Signal #18A031 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #5BC463

Shamrock 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 Shamrock Green.

Berry & Cream Lead · 5 colors

Lead #18A031 Surface #F0E8D6 Anchor #612029 Accent #E5C3BA Secondary #342B2C

Shamrock Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #18A031 Secondary #97BB97 Support #989286 Ink #17140F

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.

Sunset Warmth Glow · 5 colors

Glow #18A031 Secondary #E1772E Accent #D9A623 Anchor #603949 Surface #F1EAD6

Shamrock Green glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Build a working theme in the generator →

Color Lab

How #18A031 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 46/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 41/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 50/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 72/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 81/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 19/100

Very 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 #18A031

For UI

For branding

For interior

For fashion

People also use #18A031 with

Kelly Green Persian Green Dark Magenta Platinum Hunter Green

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 5.4:1. Use

Subtle surface Use #CDF0D3 for cards and hover fills. Tint 80

Avoid beside #18A05E — 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 #18A031 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: #18A031;
  --color-base-rgb: 24 160 49;
  --color-base-oklch: oklch(61.6% 0.186 145.0);
  --color-50: #F1FEF3;
  --color-100: #DBFBE0;
  --color-200: #B8F4C3;
  --color-300: #88E799;
  --color-400: #5CD672;
  --color-500: #39BC51;
  --color-600: #338F44;
  --color-700: #2A6534;
  --color-800: #1F4225;
  --color-900: #152918;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  shamrock-green: {
    50: '#F1FEF3',
    100: '#DBFBE0',
    200: '#B8F4C3',
    300: '#88E799',
    400: '#5CD672',
    500: '#39BC51',
    600: '#338F44',
    700: '#2A6534',
    800: '#1F4225',
    900: '#152918',
  },
}

$base: #18A031;
$base-ink: #141310;
$base-50: #F1FEF3;
$base-100: #DBFBE0;
$base-200: #B8F4C3;
$base-300: #88E799;
$base-400: #5CD672;
$base-500: #39BC51;
$base-600: #338F44;
$base-700: #2A6534;
$base-800: #1F4225;
$base-900: #152918;
$base-hover: #138027;
$base-subtle: #B3EABD;

{
    "color": {
        "base": {
            "value": "#18A031",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FEF3",
                "type": "color"
            },
            "100": {
                "value": "#DBFBE0",
                "type": "color"
            },
            "200": {
                "value": "#B8F4C3",
                "type": "color"
            },
            "300": {
                "value": "#88E799",
                "type": "color"
            },
            "400": {
                "value": "#5CD672",
                "type": "color"
            },
            "500": {
                "value": "#39BC51",
                "type": "color"
            },
            "600": {
                "value": "#338F44",
                "type": "color"
            },
            "700": {
                "value": "#2A6534",
                "type": "color"
            },
            "800": {
                "value": "#1F4225",
                "type": "color"
            },
            "900": {
                "value": "#152918",
                "type": "color"
            }
        }
    }
}

Palettes built on #18A031

Color Lab

Pairs with #18A031

UI roles & guardrails

In real applications

Scales

Every model

Export