What color is #115309?

#115309 is a dark, vivid green. In RGB it is rgb(17, 83, 9), and in HSL hsl(114, 80%, 18%).

Is #115309 accessible as text?

On white, #115309 has a contrast ratio of 9.27:1 (passes WCAG AA for body text); on black it is 2.27:1 (fails). For text placed on #115309, use white for the best readability.

What is the closest Tailwind color to #115309?

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

What colors go well with #115309?

#115309 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4B0953. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #115309 below.

Is #115309 good for buttons?

#115309 works well for buttons and highlights, but use white text on #115309 — black text only reaches 2.27:1, below the 4.5:1 needed for normal-size labels.

Is #115309 the same as CSS darkgreen?

No — #115309 is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#115309 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #115309

Not just a swatch — here's how #115309 works with other colors. Named schemes with #115309 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #115309 Secondary #4D6B3B Accent #AE6B00 Surface #EEEAD6 Anchor #3C2F21

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 #115309 Secondary #754E1C 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 #115309 Anchor #392B1E Surface #EDE4D0 Accent #889B6D 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 #115309 Surface #F0E8D6 Anchor #61202A Accent #E6C3BA 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 #115309 Secondary #5D715B 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 #115309 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 49/100

Neutral

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 100/100

Very high

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

Vintage feel 49/100

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 33/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 69/100

High

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

Surface fit 23/100

Low

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

Print safety 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #115309

For UI

For branding

For interior

For fashion

People also use #115309 with

Avocado Castleton Green Russian Violet 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 #C2EDBD for cards and hover fills. Tint 80

Avoid beside #09531A — 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 #115309 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: #115309;
  --color-base-rgb: 17 83 9;
  --color-base-oklch: oklch(38.7% 0.121 141.7);
  --color-50: #F2FEF1;
  --color-100: #DDFCD9;
  --color-200: #BCF7B6;
  --color-300: #8EEB84;
  --color-400: #64DB57;
  --color-500: #42C134;
  --color-600: #39932F;
  --color-700: #2E6827;
  --color-800: #21441D;
  --color-900: #162914;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F2FEF1',
    100: '#DDFCD9',
    200: '#BCF7B6',
    300: '#8EEB84',
    400: '#64DB57',
    500: '#42C134',
    600: '#39932F',
    700: '#2E6827',
    800: '#21441D',
    900: '#162914',
  },
}

$base: #115309;
$base-ink: #FFFFFF;
$base-50: #F2FEF1;
$base-100: #DDFCD9;
$base-200: #BCF7B6;
$base-300: #8EEB84;
$base-400: #64DB57;
$base-500: #42C134;
$base-600: #39932F;
$base-700: #2E6827;
$base-800: #21441D;
$base-900: #162914;
$base-hover: #0D4207;
$base-subtle: #A2E69A;

{
    "color": {
        "base": {
            "value": "#115309",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FEF1",
                "type": "color"
            },
            "100": {
                "value": "#DDFCD9",
                "type": "color"
            },
            "200": {
                "value": "#BCF7B6",
                "type": "color"
            },
            "300": {
                "value": "#8EEB84",
                "type": "color"
            },
            "400": {
                "value": "#64DB57",
                "type": "color"
            },
            "500": {
                "value": "#42C134",
                "type": "color"
            },
            "600": {
                "value": "#39932F",
                "type": "color"
            },
            "700": {
                "value": "#2E6827",
                "type": "color"
            },
            "800": {
                "value": "#21441D",
                "type": "color"
            },
            "900": {
                "value": "#162914",
                "type": "color"
            }
        }
    }
}

Palettes built on #115309

Color Lab

Pairs with #115309

UI roles & guardrails

In real applications

Scales

Every model

Export