What color is #145A2D?

#145A2D is a dark green. In RGB it is rgb(20, 90, 45), and in HSL hsl(141, 64%, 22%).

Is #145A2D accessible as text?

On white, #145A2D has a contrast ratio of 8.30:1 (passes WCAG AA for body text); on black it is 2.53:1 (fails). For text placed on #145A2D, use white for the best readability.

What is the closest Tailwind color to #145A2D?

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

What colors go well with #145A2D?

#145A2D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5C1443. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #145A2D below.

Is #145A2D good for buttons?

#145A2D works well for buttons and highlights, but use white text on #145A2D — black text only reaches 2.53:1, below the 4.5:1 needed for normal-size labels.

Is #145A2D the same as CSS darkgreen?

No — #145A2D is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#145A2D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #145A2D

Not just a swatch — here's how #145A2D works with other colors. Named schemes with #145A2D in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #145A2D 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.

Coastal Morning Lead · 5 colors

Lead #145A2D Accent #A8C4BA 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 #145A2D 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.

Berry & Cream Lead · 5 colors

Lead #145A2D 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 #145A2D Secondary #647968 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 #145A2D 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 44/100

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 57/100

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 27/100

Low

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

UI accent fit 74/100

High

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

Surface fit 28/100

Low

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

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #145A2D

For UI

For branding

For interior

For fashion

People also use #145A2D 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 8.3:1. Use

Subtle surface Use #C5EAD2 for cards and hover fills. Tint 80

Avoid beside #145C45 — 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 #145A2D 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: #145A2D;
  --color-base-rgb: 20 90 45;
  --color-base-oklch: oklch(41.4% 0.100 150.8);
  --color-50: #F2FDF6;
  --color-100: #DDF8E6;
  --color-200: #BCF0CE;
  --color-300: #8EE1AB;
  --color-400: #64CE89;
  --color-500: #42B369;
  --color-600: #398955;
  --color-700: #2E6140;
  --color-800: #21402C;
  --color-900: #16271C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F2FDF6',
    100: '#DDF8E6',
    200: '#BCF0CE',
    300: '#8EE1AB',
    400: '#64CE89',
    500: '#42B369',
    600: '#398955',
    700: '#2E6140',
    800: '#21402C',
    900: '#16271C',
  },
}

$base: #145A2D;
$base-ink: #FFFFFF;
$base-50: #F2FDF6;
$base-100: #DDF8E6;
$base-200: #BCF0CE;
$base-300: #8EE1AB;
$base-400: #64CE89;
$base-500: #42B369;
$base-600: #398955;
$base-700: #2E6140;
$base-800: #21402C;
$base-900: #16271C;
$base-hover: #104A24;
$base-subtle: #A6E0BB;

{
    "color": {
        "base": {
            "value": "#145A2D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDF6",
                "type": "color"
            },
            "100": {
                "value": "#DDF8E6",
                "type": "color"
            },
            "200": {
                "value": "#BCF0CE",
                "type": "color"
            },
            "300": {
                "value": "#8EE1AB",
                "type": "color"
            },
            "400": {
                "value": "#64CE89",
                "type": "color"
            },
            "500": {
                "value": "#42B369",
                "type": "color"
            },
            "600": {
                "value": "#398955",
                "type": "color"
            },
            "700": {
                "value": "#2E6140",
                "type": "color"
            },
            "800": {
                "value": "#21402C",
                "type": "color"
            },
            "900": {
                "value": "#16271C",
                "type": "color"
            }
        }
    }
}

Palettes built on #145A2D

Color Lab

Pairs with #145A2D

UI roles & guardrails

In real applications

Scales

Every model

Export