What color is #145C2A?

#145C2A is a dark green. In RGB it is rgb(20, 92, 42), and in HSL hsl(138, 64%, 22%).

Is #145C2A accessible as text?

On white, #145C2A has a contrast ratio of 8.10:1 (passes WCAG AA for body text); on black it is 2.59:1 (fails). For text placed on #145C2A, use white for the best readability.

What is the closest Tailwind color to #145C2A?

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

What colors go well with #145C2A?

#145C2A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5C1446. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #145C2A below.

Is #145C2A good for buttons?

#145C2A works well for buttons and highlights, but use white text on #145C2A — black text only reaches 2.59:1, below the 4.5:1 needed for normal-size labels.

Is #145C2A the same as CSS darkgreen?

No — #145C2A is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#145C2A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #145C2A

Not just a swatch — here's how #145C2A works with other colors. Named schemes with #145C2A in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #145C2A Secondary #4B6C3C Accent #AD6C00 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 #145C2A Secondary #754E1B 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 #145C2A Anchor #392B1E Surface #EDE4D0 Accent #879B6D 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.

Berry & Cream Lead · 5 colors

Lead #145C2A Surface #F0E8D6 Anchor #612029 Accent #E5C3BA 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 #145C2A Secondary #657B68 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 #145C2A 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 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 58/100

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 56/100

Moderate

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

Luxury 64/100

High

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

Brand distinctiveness 29/100

Low

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

UI accent fit 77/100

High

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

Surface fit 25/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #145C2A

For UI

For branding

For interior

For fashion

People also use #145C2A with

Green Castleton Green 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 #C5EAD0 for cards and hover fills. Tint 80

Avoid beside #145C42 — 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 #145C2A 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: #145C2A;
  --color-base-rgb: 20 92 42;
  --color-base-oklch: oklch(41.9% 0.106 149.1);
  --color-50: #F2FDF5;
  --color-100: #DDF8E5;
  --color-200: #BCF0CC;
  --color-300: #8EE1A7;
  --color-400: #64CE84;
  --color-500: #42B364;
  --color-600: #398951;
  --color-700: #2E613D;
  --color-800: #21402A;
  --color-900: #16271B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F2FDF5',
    100: '#DDF8E5',
    200: '#BCF0CC',
    300: '#8EE1A7',
    400: '#64CE84',
    500: '#42B364',
    600: '#398951',
    700: '#2E613D',
    800: '#21402A',
    900: '#16271B',
  },
}

$base: #145C2A;
$base-ink: #FFFFFF;
$base-50: #F2FDF5;
$base-100: #DDF8E5;
$base-200: #BCF0CC;
$base-300: #8EE1A7;
$base-400: #64CE84;
$base-500: #42B364;
$base-600: #398951;
$base-700: #2E613D;
$base-800: #21402A;
$base-900: #16271B;
$base-hover: #104A21;
$base-subtle: #A6E0B8;

{
    "color": {
        "base": {
            "value": "#145C2A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDF5",
                "type": "color"
            },
            "100": {
                "value": "#DDF8E5",
                "type": "color"
            },
            "200": {
                "value": "#BCF0CC",
                "type": "color"
            },
            "300": {
                "value": "#8EE1A7",
                "type": "color"
            },
            "400": {
                "value": "#64CE84",
                "type": "color"
            },
            "500": {
                "value": "#42B364",
                "type": "color"
            },
            "600": {
                "value": "#398951",
                "type": "color"
            },
            "700": {
                "value": "#2E613D",
                "type": "color"
            },
            "800": {
                "value": "#21402A",
                "type": "color"
            },
            "900": {
                "value": "#16271B",
                "type": "color"
            }
        }
    }
}

Palettes built on #145C2A

Color Lab

Pairs with #145C2A

UI roles & guardrails

In real applications

Scales

Every model

Export