What color is #154E1E?

#154E1E is a dark green. In RGB it is rgb(21, 78, 30), and in HSL hsl(129, 58%, 19%).

Is #154E1E accessible as text?

On white, #154E1E has a contrast ratio of 9.81:1 (passes WCAG AA for body text); on black it is 2.14:1 (fails). For text placed on #154E1E, use white for the best readability.

What is the closest Tailwind color to #154E1E?

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

What colors go well with #154E1E?

#154E1E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4D1444. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #154E1E below.

Is #154E1E good for buttons?

#154E1E works well for buttons and highlights, but use white text on #154E1E — black text only reaches 2.14:1, below the 4.5:1 needed for normal-size labels.

Is #154E1E the same as CSS darkgreen?

No — #154E1E is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#154E1E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #154E1E

Not just a swatch — here's how #154E1E works with other colors. Named schemes with #154E1E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #154E1E Secondary #4C6B3C 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.

Luxury Packaging Feature · 5 colors

Feature #154E1E Anchor #141210 Accent #C0A64B Secondary #232C23 Surface #F1EDE3

Castleton Green carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Color #154E1E Anchor #292A2E Secondary #6C6F74 Surface #EBE6DA Accent #002C1A

Castleton Green adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Castleton Green.

Vintage Leather Lead · 5 colors

Lead #154E1E Secondary #754E1B Surface #E6DBC0 Accent #3C5140 Anchor #5B2322

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 #154E1E Secondary #5B6D5C 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 #154E1E 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 47/100

Neutral

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 100/100

Very high

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

Vintage feel 55/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 68/100

High

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

Brand distinctiveness 38/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 61/100

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 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #154E1E

For UI

For branding

For interior

For fashion

People also use #154E1E with

Dark Olive Green Brunswick 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 9.8:1. Use

Subtle surface Use #C4E7CA for cards and hover fills. Tint 80

Avoid beside #144D30 — 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 #154E1E at work across the surfaces designers actually ship.

Website / UI

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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: #154E1E;
  --color-base-rgb: 21 78 30;
  --color-base-oklch: oklch(37.5% 0.097 146.0);
  --color-50: #F2FCF4;
  --color-100: #DEF7E2;
  --color-200: #BFEEC6;
  --color-300: #92DD9D;
  --color-400: #69C977;
  --color-500: #47AD57;
  --color-600: #3D8548;
  --color-700: #305F37;
  --color-800: #233E27;
  --color-900: #172619;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F2FCF4',
    100: '#DEF7E2',
    200: '#BFEEC6',
    300: '#92DD9D',
    400: '#69C977',
    500: '#47AD57',
    600: '#3D8548',
    700: '#305F37',
    800: '#233E27',
    900: '#172619',
  },
}

$base: #154E1E;
$base-ink: #FFFFFF;
$base-50: #F2FCF4;
$base-100: #DEF7E2;
$base-200: #BFEEC6;
$base-300: #92DD9D;
$base-400: #69C977;
$base-500: #47AD57;
$base-600: #3D8548;
$base-700: #305F37;
$base-800: #233E27;
$base-900: #172619;
$base-hover: #103D17;
$base-subtle: #A6DCAE;

{
    "color": {
        "base": {
            "value": "#154E1E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FCF4",
                "type": "color"
            },
            "100": {
                "value": "#DEF7E2",
                "type": "color"
            },
            "200": {
                "value": "#BFEEC6",
                "type": "color"
            },
            "300": {
                "value": "#92DD9D",
                "type": "color"
            },
            "400": {
                "value": "#69C977",
                "type": "color"
            },
            "500": {
                "value": "#47AD57",
                "type": "color"
            },
            "600": {
                "value": "#3D8548",
                "type": "color"
            },
            "700": {
                "value": "#305F37",
                "type": "color"
            },
            "800": {
                "value": "#233E27",
                "type": "color"
            },
            "900": {
                "value": "#172619",
                "type": "color"
            }
        }
    }
}

Palettes built on #154E1E

Color Lab

Pairs with #154E1E

UI roles & guardrails

In real applications

Scales

Every model

Export