What color is #185019?

#185019 is a dark green. In RGB it is rgb(24, 80, 25), and in HSL hsl(121, 54%, 20%).

Is #185019 accessible as text?

On white, #185019 has a contrast ratio of 9.54:1 (passes WCAG AA for body text); on black it is 2.20:1 (fails). For text placed on #185019, use white for the best readability.

What is the closest Tailwind color to #185019?

The nearest Tailwind CSS token is green-900 (#0D542B).

What colors go well with #185019?

#185019 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F174E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #185019 below.

Is #185019 good for buttons?

#185019 works well for buttons and highlights, but use white text on #185019 — black text only reaches 2.20:1, below the 4.5:1 needed for normal-size labels.

Is #185019 the same as CSS darkgreen?

No — #185019 is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#185019 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #185019

Not just a swatch — here's how #185019 works with other colors. Named schemes with #185019 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #185019 Secondary #4C6B3B Accent #AD6B00 Surface #EEEAD6 Anchor #3C2F20

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

Vintage Leather Lead · 5 colors

Lead #185019 Secondary #754E1B Surface #E6DBC0 Accent #3C5140 Anchor #5B2322

Castleton Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #185019 Anchor #392B1E Surface #EDE4D0 Accent #879B6D Secondary #3A3833

Castleton Green anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Berry & Cream Lead · 5 colors

Lead #185019 Surface #F0E8D6 Anchor #612029 Accent #E5C3BA Secondary #342B2C

Castleton 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 #185019 Secondary #5D6F5C Support #989286 Ink #17140F

Castleton 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 Castleton Green carrying the quiet middle.

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Color Lab

How #185019 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 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

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

Naturalness 100/100

Very high

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 54/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 67/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 28/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 65/100

High

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

Surface fit 29/100

Low

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

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #185019

For UI

For branding

For interior

For fashion

People also use #185019 with

Dark Olive Green Brunswick Green Tyrian Purple Platinum Hunter Green

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 9.5:1. Use

Subtle surface Use #C6E6C7 for cards and hover fills. Tint 80

Avoid beside #174F2B — 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 #185019 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: #185019;
  --color-base-rgb: 24 80 25;
  --color-base-oklch: oklch(38.1% 0.104 143.5);
  --color-50: #F3FCF3;
  --color-100: #DFF6DF;
  --color-200: #C0ECC1;
  --color-300: #95DA96;
  --color-400: #6CC66E;
  --color-500: #4BAA4C;
  --color-600: #3F8340;
  --color-700: #325D32;
  --color-800: #233D24;
  --color-900: #172618;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F3FCF3',
    100: '#DFF6DF',
    200: '#C0ECC1',
    300: '#95DA96',
    400: '#6CC66E',
    500: '#4BAA4C',
    600: '#3F8340',
    700: '#325D32',
    800: '#233D24',
    900: '#172618',
  },
}

$base: #185019;
$base-ink: #FFFFFF;
$base-50: #F3FCF3;
$base-100: #DFF6DF;
$base-200: #C0ECC1;
$base-300: #95DA96;
$base-400: #6CC66E;
$base-500: #4BAA4C;
$base-600: #3F8340;
$base-700: #325D32;
$base-800: #233D24;
$base-900: #172618;
$base-hover: #133F14;
$base-subtle: #A9DBAA;

{
    "color": {
        "base": {
            "value": "#185019",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF3",
                "type": "color"
            },
            "100": {
                "value": "#DFF6DF",
                "type": "color"
            },
            "200": {
                "value": "#C0ECC1",
                "type": "color"
            },
            "300": {
                "value": "#95DA96",
                "type": "color"
            },
            "400": {
                "value": "#6CC66E",
                "type": "color"
            },
            "500": {
                "value": "#4BAA4C",
                "type": "color"
            },
            "600": {
                "value": "#3F8340",
                "type": "color"
            },
            "700": {
                "value": "#325D32",
                "type": "color"
            },
            "800": {
                "value": "#233D24",
                "type": "color"
            },
            "900": {
                "value": "#172618",
                "type": "color"
            }
        }
    }
}

Palettes built on #185019

Color Lab

Pairs with #185019

UI roles & guardrails

In real applications

Scales

Every model

Export