What color is #25593E?

#25593E is a dark teal-green. In RGB it is rgb(37, 89, 62), and in HSL hsl(149, 41%, 25%).

Is #25593E accessible as text?

On white, #25593E has a contrast ratio of 8.15:1 (passes WCAG AA for body text); on black it is 2.58:1 (fails). For text placed on #25593E, use white for the best readability.

What is the closest Tailwind color to #25593E?

The nearest Tailwind CSS token is emerald-800 (#006045).

What colors go well with #25593E?

#25593E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5A2641. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #25593E below.

Is #25593E good for buttons?

#25593E works well for buttons and highlights, but use white text on #25593E — black text only reaches 2.58:1, below the 4.5:1 needed for normal-size labels.

Is #25593E the same as CSS darkslategray?

No — #25593E 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.

#25593E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #25593E

Not just a swatch — here's how #25593E works with other colors. Named schemes with #25593E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #25593E Secondary #4A6C3D Accent #AC6D00 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.

Coastal Morning Lead · 5 colors

Lead #25593E Accent #A8C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1A3648

Castleton Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #25593E Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Castleton Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #25593E Secondary #744E1A Surface #E5DBC0 Accent #3C5140 Anchor #5B2320

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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #25593E Secondary #69796F 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 #25593E 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 43/100

Neutral

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

Softness 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 57/100

Moderate

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

Naturalness 70/100

High

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

Vintage feel 54/100

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 20/100

Very low

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

UI accent fit 67/100

High

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

Surface fit 36/100

Low

Usable as a tinted surface in measured doses.

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #25593E

For UI

For branding

For interior

For fashion

People also use #25593E 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 8.1:1. Use

Subtle surface Use #CDE4D8 for cards and hover fills. Tint 80

Avoid beside #265A50 — 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 #25593E 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: #25593E;
  --color-base-rgb: 37 89 62;
  --color-base-oklch: oklch(42.0% 0.072 158.3);
  --color-50: #F4FBF7;
  --color-100: #E2F3EA;
  --color-200: #C6E7D6;
  --color-300: #9DD2B7;
  --color-400: #77BB98;
  --color-500: #569E79;
  --color-600: #477A60;
  --color-700: #375847;
  --color-800: #273A30;
  --color-900: #19241E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F4FBF7',
    100: '#E2F3EA',
    200: '#C6E7D6',
    300: '#9DD2B7',
    400: '#77BB98',
    500: '#569E79',
    600: '#477A60',
    700: '#375847',
    800: '#273A30',
    900: '#19241E',
  },
}

$base: #25593E;
$base-ink: #FFFFFF;
$base-50: #F4FBF7;
$base-100: #E2F3EA;
$base-200: #C6E7D6;
$base-300: #9DD2B7;
$base-400: #77BB98;
$base-500: #569E79;
$base-600: #477A60;
$base-700: #375847;
$base-800: #273A30;
$base-900: #19241E;
$base-hover: #1E4832;
$base-subtle: #B4D8C5;

{
    "color": {
        "base": {
            "value": "#25593E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBF7",
                "type": "color"
            },
            "100": {
                "value": "#E2F3EA",
                "type": "color"
            },
            "200": {
                "value": "#C6E7D6",
                "type": "color"
            },
            "300": {
                "value": "#9DD2B7",
                "type": "color"
            },
            "400": {
                "value": "#77BB98",
                "type": "color"
            },
            "500": {
                "value": "#569E79",
                "type": "color"
            },
            "600": {
                "value": "#477A60",
                "type": "color"
            },
            "700": {
                "value": "#375847",
                "type": "color"
            },
            "800": {
                "value": "#273A30",
                "type": "color"
            },
            "900": {
                "value": "#19241E",
                "type": "color"
            }
        }
    }
}

Palettes built on #25593E

Color Lab

Pairs with #25593E

UI roles & guardrails

In real applications

Scales

Every model

Export