What color is #285221?

#285221 is a dark green. In RGB it is rgb(40, 82, 33), and in HSL hsl(111, 43%, 23%).

Is #285221 accessible as text?

On white, #285221 has a contrast ratio of 9.06:1 (passes WCAG AA for body text); on black it is 2.32:1 (fails). For text placed on #285221, use white for the best readability.

What is the closest Tailwind color to #285221?

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

What colors go well with #285221?

#285221 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4C2154. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #285221 below.

Is #285221 good for buttons?

#285221 works well for buttons and highlights, but use white text on #285221 — black text only reaches 2.32:1, below the 4.5:1 needed for normal-size labels.

Is #285221 the same as CSS darkgreen?

No — #285221 is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#285221 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #285221

Not just a swatch — here's how #285221 works with other colors. Named schemes with #285221 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #285221 Secondary #4D6B3B Accent #AE6B00 Surface #EFEAD6 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 #285221 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 #285221 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.

Japanese Sand Base · 5 colors

Base #285221 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F 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 #285221 Secondary #647261 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 #285221 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 50/100

Neutral

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 60/100

Moderate

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 61/100

High

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

Luxury 65/100

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 66/100

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

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #285221

For UI

For branding

For interior

For fashion

People also use #285221 with

Dark Olive Green 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 9.1:1. Use

Subtle surface Use #CFE4CC for cards and hover fills. Tint 80

Avoid beside #21542B — 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 #285221 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: #285221;
  --color-base-rgb: 40 82 33;
  --color-base-oklch: oklch(39.5% 0.091 140.9);
  --color-50: #F5FBF4;
  --color-100: #E4F4E1;
  --color-200: #CAE8C5;
  --color-300: #A4D39C;
  --color-400: #80BD75;
  --color-500: #60A055;
  --color-600: #4E7C46;
  --color-700: #3B5936;
  --color-800: #293B26;
  --color-900: #1B2419;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F5FBF4',
    100: '#E4F4E1',
    200: '#CAE8C5',
    300: '#A4D39C',
    400: '#80BD75',
    500: '#60A055',
    600: '#4E7C46',
    700: '#3B5936',
    800: '#293B26',
    900: '#1B2419',
  },
}

$base: #285221;
$base-ink: #FFFFFF;
$base-50: #F5FBF4;
$base-100: #E4F4E1;
$base-200: #CAE8C5;
$base-300: #A4D39C;
$base-400: #80BD75;
$base-500: #60A055;
$base-600: #4E7C46;
$base-700: #3B5936;
$base-800: #293B26;
$base-900: #1B2419;
$base-hover: #21431B;
$base-subtle: #B7D7B1;

{
    "color": {
        "base": {
            "value": "#285221",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5FBF4",
                "type": "color"
            },
            "100": {
                "value": "#E4F4E1",
                "type": "color"
            },
            "200": {
                "value": "#CAE8C5",
                "type": "color"
            },
            "300": {
                "value": "#A4D39C",
                "type": "color"
            },
            "400": {
                "value": "#80BD75",
                "type": "color"
            },
            "500": {
                "value": "#60A055",
                "type": "color"
            },
            "600": {
                "value": "#4E7C46",
                "type": "color"
            },
            "700": {
                "value": "#3B5936",
                "type": "color"
            },
            "800": {
                "value": "#293B26",
                "type": "color"
            },
            "900": {
                "value": "#1B2419",
                "type": "color"
            }
        }
    }
}

Palettes built on #285221

Color Lab

Pairs with #285221

UI roles & guardrails

In real applications

Scales

Every model

Export