What color is #235830?

#235830 is a dark green. In RGB it is rgb(35, 88, 48), and in HSL hsl(135, 43%, 24%).

Is #235830 accessible as text?

On white, #235830 has a contrast ratio of 8.37:1 (passes WCAG AA for body text); on black it is 2.51:1 (fails). For text placed on #235830, use white for the best readability.

What is the closest Tailwind color to #235830?

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

What colors go well with #235830?

#235830 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #58234A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #235830 below.

Is #235830 good for buttons?

#235830 works well for buttons and highlights, but use white text on #235830 — black text only reaches 2.51:1, below the 4.5:1 needed for normal-size labels.

Is #235830 the same as CSS darkgreen?

No — #235830 is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#235830 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #235830

Not just a swatch — here's how #235830 works with other colors. Named schemes with #235830 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #235830 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 #235830 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 #235830 Anchor #382B1E 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.

Japanese Sand Base · 5 colors

Base #235830 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 #235830 Secondary #677869 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 #235830 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 46/100

Neutral

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

Softness 37/100

Low

Middle-weight — neither delicate nor heavy.

Depth 58/100

Moderate

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 60/100

High

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

Luxury 63/100

High

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

Brand distinctiveness 24/100

Low

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

UI accent fit 70/100

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 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #235830

For UI

For branding

For interior

For fashion

People also use #235830 with

Fern 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 8.4:1. Use

Subtle surface Use #CCE4D2 for cards and hover fills. Tint 80

Avoid beside #235842 — 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 #235830 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: #235830;
  --color-base-rgb: 35 88 48;
  --color-base-oklch: oklch(41.3% 0.087 149.2);
  --color-50: #F4FBF6;
  --color-100: #E1F4E6;
  --color-200: #C5E8CD;
  --color-300: #9CD3AA;
  --color-400: #75BD87;
  --color-500: #55A067;
  --color-600: #467C54;
  --color-700: #36593F;
  --color-800: #263B2B;
  --color-900: #19241C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F4FBF6',
    100: '#E1F4E6',
    200: '#C5E8CD',
    300: '#9CD3AA',
    400: '#75BD87',
    500: '#55A067',
    600: '#467C54',
    700: '#36593F',
    800: '#263B2B',
    900: '#19241C',
  },
}

$base: #235830;
$base-ink: #FFFFFF;
$base-50: #F4FBF6;
$base-100: #E1F4E6;
$base-200: #C5E8CD;
$base-300: #9CD3AA;
$base-400: #75BD87;
$base-500: #55A067;
$base-600: #467C54;
$base-700: #36593F;
$base-800: #263B2B;
$base-900: #19241C;
$base-hover: #1C4626;
$base-subtle: #B2D8BB;

{
    "color": {
        "base": {
            "value": "#235830",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBF6",
                "type": "color"
            },
            "100": {
                "value": "#E1F4E6",
                "type": "color"
            },
            "200": {
                "value": "#C5E8CD",
                "type": "color"
            },
            "300": {
                "value": "#9CD3AA",
                "type": "color"
            },
            "400": {
                "value": "#75BD87",
                "type": "color"
            },
            "500": {
                "value": "#55A067",
                "type": "color"
            },
            "600": {
                "value": "#467C54",
                "type": "color"
            },
            "700": {
                "value": "#36593F",
                "type": "color"
            },
            "800": {
                "value": "#263B2B",
                "type": "color"
            },
            "900": {
                "value": "#19241C",
                "type": "color"
            }
        }
    }
}

Palettes built on #235830

Color Lab

Pairs with #235830

UI roles & guardrails

In real applications

Scales

Every model

Export