What color is #2A533B?

#2A533B is a dark, muted teal-green. In RGB it is rgb(42, 83, 59), and in HSL hsl(145, 33%, 25%).

Is #2A533B accessible as text?

On white, #2A533B has a contrast ratio of 8.75:1 (passes WCAG AA for body text); on black it is 2.40:1 (fails). For text placed on #2A533B, use white for the best readability.

What is the closest Tailwind color to #2A533B?

The nearest Tailwind CSS token is emerald-900 (#004F3B).

What colors go well with #2A533B?

#2A533B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #552B43. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2A533B below.

Is #2A533B good for buttons?

#2A533B works well for buttons and highlights, but use white text on #2A533B — black text only reaches 2.40:1, below the 4.5:1 needed for normal-size labels.

Is #2A533B the same as CSS darkslategray?

No — #2A533B 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.

#2A533B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2A533B

Not just a swatch — here's how #2A533B works with other colors. Named schemes with #2A533B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #2A533B Secondary #4A6C3D 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 #2A533B Secondary #744E1A 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 #2A533B 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 #2A533B 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 #2A533B Secondary #66746B 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 #2A533B 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 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 58/100

Moderate

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

Naturalness 65/100

High

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

Vintage feel 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 62/100

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 59/100

Moderate

Workable accent with care around contrast.

Surface fit 40/100

Low

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2A533B

For UI

For branding

For interior

For fashion

People also use #2A533B with

Dark Olive Green Dark Slate Gray Eggplant 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 8.8:1. Use

Subtle surface Use #D0E2D7 for cards and hover fills. Tint 80

Avoid beside #2B554A — 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 #2A533B 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: #2A533B;
  --color-base-rgb: 42 83 59;
  --color-base-oklch: oklch(40.5% 0.062 156.5);
  --color-50: #F5FAF7;
  --color-100: #E3F2E9;
  --color-200: #C9E4D4;
  --color-300: #A2CDB4;
  --color-400: #7EB494;
  --color-500: #5D9776;
  --color-600: #4C755D;
  --color-700: #3A5545;
  --color-800: #29382F;
  --color-900: #1A231E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F5FAF7',
    100: '#E3F2E9',
    200: '#C9E4D4',
    300: '#A2CDB4',
    400: '#7EB494',
    500: '#5D9776',
    600: '#4C755D',
    700: '#3A5545',
    800: '#29382F',
    900: '#1A231E',
  },
}

$base: #2A533B;
$base-ink: #FFFFFF;
$base-50: #F5FAF7;
$base-100: #E3F2E9;
$base-200: #C9E4D4;
$base-300: #A2CDB4;
$base-400: #7EB494;
$base-500: #5D9776;
$base-600: #4C755D;
$base-700: #3A5545;
$base-800: #29382F;
$base-900: #1A231E;
$base-hover: #224430;
$base-subtle: #B7D4C3;

{
    "color": {
        "base": {
            "value": "#2A533B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5FAF7",
                "type": "color"
            },
            "100": {
                "value": "#E3F2E9",
                "type": "color"
            },
            "200": {
                "value": "#C9E4D4",
                "type": "color"
            },
            "300": {
                "value": "#A2CDB4",
                "type": "color"
            },
            "400": {
                "value": "#7EB494",
                "type": "color"
            },
            "500": {
                "value": "#5D9776",
                "type": "color"
            },
            "600": {
                "value": "#4C755D",
                "type": "color"
            },
            "700": {
                "value": "#3A5545",
                "type": "color"
            },
            "800": {
                "value": "#29382F",
                "type": "color"
            },
            "900": {
                "value": "#1A231E",
                "type": "color"
            }
        }
    }
}

Palettes built on #2A533B

Color Lab

Pairs with #2A533B

UI roles & guardrails

In real applications

Scales

Every model

Export