What color is #0A552F?

#0A552F is a dark, vivid teal-green. In RGB it is rgb(10, 85, 47), and in HSL hsl(150, 79%, 19%).

Is #0A552F accessible as text?

On white, #0A552F has a contrast ratio of 8.92:1 (passes WCAG AA for body text); on black it is 2.35:1 (fails). For text placed on #0A552F, use white for the best readability.

What is the closest Tailwind color to #0A552F?

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

What colors go well with #0A552F?

#0A552F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #570A30. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0A552F below.

Is #0A552F good for buttons?

#0A552F works well for buttons and highlights, but use white text on #0A552F — black text only reaches 2.35:1, below the 4.5:1 needed for normal-size labels.

Is #0A552F the same as CSS darkslategray?

No — #0A552F 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.

#0A552F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0A552F

Not just a swatch — here's how #0A552F works with other colors. Named schemes with #0A552F in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #0A552F Secondary #4B6C3D 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.

Coastal Morning Lead · 5 colors

Lead #0A552F 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.

Vintage Leather Lead · 5 colors

Lead #0A552F Secondary #744E1B 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.

Berry & Cream Lead · 5 colors

Lead #0A552F Surface #F0E8D6 Anchor #612028 Accent #E5C4B9 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 #0A552F Secondary #5F7465 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.

Build a working theme in the generator →

Color Lab

How #0A552F 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 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 60/100

Moderate

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

Naturalness 91/100

Very high

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

Vintage feel 56/100

Moderate

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

Luxury 65/100

High

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

Brand distinctiveness 25/100

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 31/100

Low

Usable as a tinted surface in measured doses.

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0A552F

For UI

For branding

For interior

For fashion

People also use #0A552F with

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 8.9:1. Use

Subtle surface Use #BEEDD6 for cards and hover fills. Tint 80

Avoid beside #0A574A — 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 #0A552F 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: #0A552F;
  --color-base-rgb: 10 85 47;
  --color-base-oklch: oklch(39.7% 0.094 154.6);
  --color-50: #F1FEF7;
  --color-100: #DAFCEB;
  --color-200: #B6F6D6;
  --color-300: #85EBB8;
  --color-400: #58DA99;
  --color-500: #35C07A;
  --color-600: #309261;
  --color-700: #286747;
  --color-800: #1D4330;
  --color-900: #14291F;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F1FEF7',
    100: '#DAFCEB',
    200: '#B6F6D6',
    300: '#85EBB8',
    400: '#58DA99',
    500: '#35C07A',
    600: '#309261',
    700: '#286747',
    800: '#1D4330',
    900: '#14291F',
  },
}

$base: #0A552F;
$base-ink: #FFFFFF;
$base-50: #F1FEF7;
$base-100: #DAFCEB;
$base-200: #B6F6D6;
$base-300: #85EBB8;
$base-400: #58DA99;
$base-500: #35C07A;
$base-600: #309261;
$base-700: #286747;
$base-800: #1D4330;
$base-900: #14291F;
$base-hover: #084527;
$base-subtle: #9CE6C1;

{
    "color": {
        "base": {
            "value": "#0A552F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FEF7",
                "type": "color"
            },
            "100": {
                "value": "#DAFCEB",
                "type": "color"
            },
            "200": {
                "value": "#B6F6D6",
                "type": "color"
            },
            "300": {
                "value": "#85EBB8",
                "type": "color"
            },
            "400": {
                "value": "#58DA99",
                "type": "color"
            },
            "500": {
                "value": "#35C07A",
                "type": "color"
            },
            "600": {
                "value": "#309261",
                "type": "color"
            },
            "700": {
                "value": "#286747",
                "type": "color"
            },
            "800": {
                "value": "#1D4330",
                "type": "color"
            },
            "900": {
                "value": "#14291F",
                "type": "color"
            }
        }
    }
}