What color is #18BB18?

#18BB18 is a medium, vivid green. In RGB it is rgb(24, 187, 24), and in HSL hsl(120, 77%, 41%).

Is #18BB18 accessible as text?

On white, #18BB18 has a contrast ratio of 2.57:1 (fails WCAG AA for body text); on black it is 8.16:1 (passes). For text placed on #18BB18, use black for the best readability.

What is the closest Tailwind color to #18BB18?

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

What colors go well with #18BB18?

#18BB18 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B918B9. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #18BB18 below.

Is #18BB18 good for buttons?

#18BB18 works well for buttons and highlights, but use black text on #18BB18 — white text only reaches 2.57:1, below the 4.5:1 needed for normal-size labels.

Is #18BB18 the same as CSS limegreen?

No — #18BB18 is not the CSS named color limegreen, but limegreen (#32CD32) is the closest CSS named color.

#18BB18 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #18BB18

Not just a swatch — here's how #18BB18 works with other colors. Named schemes with #18BB18 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #18BB18 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #64E05E

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

Base #18BB18 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

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

Lead #18BB18 Secondary #4D6B3B Accent #AD6B00 Surface #EEEAD6 Anchor #3C2F21

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

Surface #F7F4EF Accent #18BB18 Secondary #A9D5A5 Support #989286 Ink #17140F

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

Lead #18BB18 Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #193648

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 #18BB18 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 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 34/100

Low

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

Naturalness 17/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 16/100

Very low

Clean and current — no dusty, aged cast.

Luxury 34/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 87/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 48/100

Moderate

Workable accent with care around contrast.

Surface fit 25/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 50/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #18BB18

For UI

For branding

For interior

For fashion

People also use #18BB18 with

Yellow Green Medium Sea Green 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 7.2:1. Use

Subtle surface Use #D0F2D0 for cards and hover fills. Tint 80

Avoid beside #18B94E — 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 #18BB18 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #18BB18;
  --color-base-rgb: 24 187 24;
  --color-base-oklch: oklch(68.9% 0.226 142.6);
  --color-50: #F1FEF1;
  --color-100: #DAFBDA;
  --color-200: #B7F5B7;
  --color-300: #86E986;
  --color-400: #59D959;
  --color-500: #37BE37;
  --color-600: #319131;
  --color-700: #286628;
  --color-800: #1E431E;
  --color-900: #142914;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  kelly-green: {
    50: '#F1FEF1',
    100: '#DAFBDA',
    200: '#B7F5B7',
    300: '#86E986',
    400: '#59D959',
    500: '#37BE37',
    600: '#319131',
    700: '#286628',
    800: '#1E431E',
    900: '#142914',
  },
}

$base: #18BB18;
$base-ink: #141310;
$base-50: #F1FEF1;
$base-100: #DAFBDA;
$base-200: #B7F5B7;
$base-300: #86E986;
$base-400: #59D959;
$base-500: #37BE37;
$base-600: #319131;
$base-700: #286628;
$base-800: #1E431E;
$base-900: #142914;
$base-hover: #139413;
$base-subtle: #B7ECB7;

{
    "color": {
        "base": {
            "value": "#18BB18",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FEF1",
                "type": "color"
            },
            "100": {
                "value": "#DAFBDA",
                "type": "color"
            },
            "200": {
                "value": "#B7F5B7",
                "type": "color"
            },
            "300": {
                "value": "#86E986",
                "type": "color"
            },
            "400": {
                "value": "#59D959",
                "type": "color"
            },
            "500": {
                "value": "#37BE37",
                "type": "color"
            },
            "600": {
                "value": "#319131",
                "type": "color"
            },
            "700": {
                "value": "#286628",
                "type": "color"
            },
            "800": {
                "value": "#1E431E",
                "type": "color"
            },
            "900": {
                "value": "#142914",
                "type": "color"
            }
        }
    }
}