What color is #20573C?

#20573C is a dark teal-green. In RGB it is rgb(32, 87, 60), and in HSL hsl(151, 46%, 23%).

Is #20573C accessible as text?

On white, #20573C has a contrast ratio of 8.43:1 (passes WCAG AA for body text); on black it is 2.49:1 (fails). For text placed on #20573C, use white for the best readability.

What is the closest Tailwind color to #20573C?

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

What colors go well with #20573C?

#20573C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #56203A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #20573C below.

Is #20573C good for buttons?

#20573C works well for buttons and highlights, but use white text on #20573C — black text only reaches 2.49:1, below the 4.5:1 needed for normal-size labels.

Is #20573C the same as CSS darkslategray?

No — #20573C 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.

#20573C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #20573C

Not just a swatch — here's how #20573C works with other colors. Named schemes with #20573C in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #20573C 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 #20573C 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 #20573C 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 #20573C 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 #20573C Secondary #66776D 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 #20573C 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 38/100

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

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 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 #20573C

For UI

For branding

For interior

For fashion

People also use #20573C with

Dark Olive 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 #CBE5D8 for cards and hover fills. Tint 80

Avoid beside #20564E — 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 #20573C at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #20573C;
  --color-base-rgb: 32 87 60;
  --color-base-oklch: oklch(41.2% 0.074 159.1);
  --color-50: #F3FBF7;
  --color-100: #E1F5EB;
  --color-200: #C4E9D7;
  --color-300: #9AD5B9;
  --color-400: #73BF9A;
  --color-500: #52A37C;
  --color-600: #447E62;
  --color-700: #355A48;
  --color-800: #253C31;
  --color-900: #18251F;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F3FBF7',
    100: '#E1F5EB',
    200: '#C4E9D7',
    300: '#9AD5B9',
    400: '#73BF9A',
    500: '#52A37C',
    600: '#447E62',
    700: '#355A48',
    800: '#253C31',
    900: '#18251F',
  },
}

$base: #20573C;
$base-ink: #FFFFFF;
$base-50: #F3FBF7;
$base-100: #E1F5EB;
$base-200: #C4E9D7;
$base-300: #9AD5B9;
$base-400: #73BF9A;
$base-500: #52A37C;
$base-600: #447E62;
$base-700: #355A48;
$base-800: #253C31;
$base-900: #18251F;
$base-hover: #194530;
$base-subtle: #B0D9C5;

{
    "color": {
        "base": {
            "value": "#20573C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBF7",
                "type": "color"
            },
            "100": {
                "value": "#E1F5EB",
                "type": "color"
            },
            "200": {
                "value": "#C4E9D7",
                "type": "color"
            },
            "300": {
                "value": "#9AD5B9",
                "type": "color"
            },
            "400": {
                "value": "#73BF9A",
                "type": "color"
            },
            "500": {
                "value": "#52A37C",
                "type": "color"
            },
            "600": {
                "value": "#447E62",
                "type": "color"
            },
            "700": {
                "value": "#355A48",
                "type": "color"
            },
            "800": {
                "value": "#253C31",
                "type": "color"
            },
            "900": {
                "value": "#18251F",
                "type": "color"
            }
        }
    }
}

Palettes built on #20573C

Color Lab

Pairs with #20573C

UI roles & guardrails

In real applications

Scales

Every model

Export