What color is #19512E?

#19512E is a dark green. In RGB it is rgb(25, 81, 46), and in HSL hsl(143, 53%, 21%).

Is #19512E accessible as text?

On white, #19512E has a contrast ratio of 9.30:1 (passes WCAG AA for body text); on black it is 2.26:1 (fails). For text placed on #19512E, use white for the best readability.

What is the closest Tailwind color to #19512E?

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

What colors go well with #19512E?

#19512E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #52193C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #19512E below.

Is #19512E good for buttons?

#19512E works well for buttons and highlights, but use white text on #19512E — black text only reaches 2.26:1, below the 4.5:1 needed for normal-size labels.

Is #19512E the same as CSS darkslategray?

No — #19512E is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#19512E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #19512E

Not just a swatch — here's how #19512E works with other colors. Named schemes with #19512E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #19512E Secondary #4B6C3C Accent #AC6C00 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 #19512E Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

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 #19512E Anchor #382B1E Surface #EDE4D0 Accent #869B6E 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.

Japanese Sand Base · 5 colors

Base #19512E Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2A2723

Castleton 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #19512E Secondary #5F7063 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.

Build a working theme in the generator →

Color Lab

How #19512E 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 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 60/100

High

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

Naturalness 89/100

Very high

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

Vintage feel 56/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 65/100

High

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

Brand distinctiveness 22/100

Low

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

UI accent fit 62/100

High

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

Surface fit 34/100

Low

Usable as a tinted surface in measured doses.

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #19512E

For UI

For branding

For interior

For fashion

People also use #19512E with

Dark Olive Green Dark Slate Gray 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 9.3:1. Use

Subtle surface Use #C7E6D3 for cards and hover fills. Tint 80

Avoid beside #195242 — 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 #19512E at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #19512E;
  --color-base-rgb: 25 81 46;
  --color-base-oklch: oklch(38.8% 0.083 152.6);
  --color-50: #F3FCF6;
  --color-100: #DFF6E8;
  --color-200: #C1ECD1;
  --color-300: #95DAB0;
  --color-400: #6DC58F;
  --color-500: #4CA970;
  --color-600: #408259;
  --color-700: #325D42;
  --color-800: #243D2D;
  --color-900: #17261D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F3FCF6',
    100: '#DFF6E8',
    200: '#C1ECD1',
    300: '#95DAB0',
    400: '#6DC58F',
    500: '#4CA970',
    600: '#408259',
    700: '#325D42',
    800: '#243D2D',
    900: '#17261D',
  },
}

$base: #19512E;
$base-ink: #FFFFFF;
$base-50: #F3FCF6;
$base-100: #DFF6E8;
$base-200: #C1ECD1;
$base-300: #95DAB0;
$base-400: #6DC58F;
$base-500: #4CA970;
$base-600: #408259;
$base-700: #325D42;
$base-800: #243D2D;
$base-900: #17261D;
$base-hover: #144226;
$base-subtle: #AADBBD;

{
    "color": {
        "base": {
            "value": "#19512E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF6",
                "type": "color"
            },
            "100": {
                "value": "#DFF6E8",
                "type": "color"
            },
            "200": {
                "value": "#C1ECD1",
                "type": "color"
            },
            "300": {
                "value": "#95DAB0",
                "type": "color"
            },
            "400": {
                "value": "#6DC58F",
                "type": "color"
            },
            "500": {
                "value": "#4CA970",
                "type": "color"
            },
            "600": {
                "value": "#408259",
                "type": "color"
            },
            "700": {
                "value": "#325D42",
                "type": "color"
            },
            "800": {
                "value": "#243D2D",
                "type": "color"
            },
            "900": {
                "value": "#17261D",
                "type": "color"
            }
        }
    }
}

Palettes built on #19512E

Color Lab

Pairs with #19512E

UI roles & guardrails

In real applications

Scales

Every model

Export