What color is #115129?

#115129 is a dark green. In RGB it is rgb(17, 81, 41), and in HSL hsl(143, 65%, 19%).

Is #115129 accessible as text?

On white, #115129 has a contrast ratio of 9.41:1 (passes WCAG AA for body text); on black it is 2.23:1 (fails). For text placed on #115129, use white for the best readability.

What is the closest Tailwind color to #115129?

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

What colors go well with #115129?

#115129 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #501138. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #115129 below.

Is #115129 good for buttons?

#115129 works well for buttons and highlights, but use white text on #115129 — black text only reaches 2.23:1, below the 4.5:1 needed for normal-size labels.

Is #115129 the same as CSS darkslategray?

No — #115129 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.

#115129 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #115129

Not just a swatch — here's how #115129 works with other colors. Named schemes with #115129 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #115129 Secondary #4B6C3C Accent #AD6C00 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 #115129 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 #115129 Anchor #382B1E Surface #EDE4D0 Accent #869B6D 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 #115129 Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

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 #115129 Secondary #5D7061 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 #115129 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 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 61/100

High

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

Naturalness 97/100

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 66/100

High

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

Brand distinctiveness 25/100

Low

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

UI accent fit 63/100

High

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

Surface fit 32/100

Low

Usable as a tinted surface in measured doses.

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #115129

For UI

For branding

For interior

For fashion

People also use #115129 with

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 9.4:1. Use

Subtle surface Use #C2E9D1 for cards and hover fills. Tint 80

Avoid beside #11503E — 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 #115129 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: #115129;
  --color-base-rgb: 17 81 41;
  --color-base-oklch: oklch(38.5% 0.092 151.4);
  --color-50: #F2FDF6;
  --color-100: #DDF9E7;
  --color-200: #BCF1D0;
  --color-300: #8EE2AE;
  --color-400: #63CF8C;
  --color-500: #41B46D;
  --color-600: #388957;
  --color-700: #2D6241;
  --color-800: #21402D;
  --color-900: #16271D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F2FDF6',
    100: '#DDF9E7',
    200: '#BCF1D0',
    300: '#8EE2AE',
    400: '#63CF8C',
    500: '#41B46D',
    600: '#388957',
    700: '#2D6241',
    800: '#21402D',
    900: '#16271D',
  },
}

$base: #115129;
$base-ink: #FFFFFF;
$base-50: #F2FDF6;
$base-100: #DDF9E7;
$base-200: #BCF1D0;
$base-300: #8EE2AE;
$base-400: #63CF8C;
$base-500: #41B46D;
$base-600: #388957;
$base-700: #2D6241;
$base-800: #21402D;
$base-900: #16271D;
$base-hover: #0E4021;
$base-subtle: #A2E0BA;

{
    "color": {
        "base": {
            "value": "#115129",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDF6",
                "type": "color"
            },
            "100": {
                "value": "#DDF9E7",
                "type": "color"
            },
            "200": {
                "value": "#BCF1D0",
                "type": "color"
            },
            "300": {
                "value": "#8EE2AE",
                "type": "color"
            },
            "400": {
                "value": "#63CF8C",
                "type": "color"
            },
            "500": {
                "value": "#41B46D",
                "type": "color"
            },
            "600": {
                "value": "#388957",
                "type": "color"
            },
            "700": {
                "value": "#2D6241",
                "type": "color"
            },
            "800": {
                "value": "#21402D",
                "type": "color"
            },
            "900": {
                "value": "#16271D",
                "type": "color"
            }
        }
    }
}

Palettes built on #115129

Color Lab

Pairs with #115129

UI roles & guardrails

In real applications

Scales

Every model

Export