What color is #155403?

#155403 is a very dark, vivid green. In RGB it is rgb(21, 84, 3), and in HSL hsl(107, 93%, 17%).

Is #155403 accessible as text?

On white, #155403 has a contrast ratio of 9.13:1 (passes WCAG AA for body text); on black it is 2.30:1 (fails). For text placed on #155403, use white for the best readability.

What is the closest Tailwind color to #155403?

The nearest Tailwind CSS token is lime-900 (#35530E).

What colors go well with #155403?

#155403 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #420354. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #155403 below.

Is #155403 good for buttons?

#155403 works well for buttons and highlights, but use white text on #155403 — black text only reaches 2.30:1, below the 4.5:1 needed for normal-size labels.

Is #155403 the same as CSS darkgreen?

No — #155403 is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#155403 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #155403

Not just a swatch — here's how #155403 works with other colors. Named schemes with #155403 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #155403 Secondary #4D6B3B Accent #AE6B00 Surface #EFEAD6 Anchor #3C2F21

Dark 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 #155403 Secondary #754E1C Surface #E6DBC0 Accent #3D513F Anchor #5B2322

Dark 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 #155403 Anchor #392B1E Surface #EDE4D0 Accent #889B6C Secondary #3A3833

Dark 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 #155403 Surface #F0E8D6 Anchor #61202A Accent #E6C3BA Secondary #342B2C

Dark 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 #155403 Secondary #5F735B Support #989286 Ink #17140F

Dark 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 Dark Green carrying the quiet middle.

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Color Lab

How #155403 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 50/100

Neutral

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

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 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

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

Brand distinctiveness 34/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 71/100

High

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

Surface fit 22/100

Low

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

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #155403

For UI

For branding

For interior

For fashion

People also use #155403 with

Avocado Castleton Green Russian Violet 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 9.1:1. Use

Subtle surface Use #C5F1B8 for cards and hover fills. Tint 80

Avoid beside #03540C — 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 #155403 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: #155403;
  --color-base-rgb: 21 84 3;
  --color-base-oklch: oklch(39.1% 0.124 140.3);
  --color-50: #F3FEF0;
  --color-100: #E0FDD8;
  --color-200: #C1FCB1;
  --color-300: #96F47C;
  --color-400: #6DE64C;
  --color-500: #4CCC29;
  --color-600: #409B27;
  --color-700: #326D22;
  --color-800: #24471A;
  --color-900: #172B12;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-green: {
    50: '#F3FEF0',
    100: '#E0FDD8',
    200: '#C1FCB1',
    300: '#96F47C',
    400: '#6DE64C',
    500: '#4CCC29',
    600: '#409B27',
    700: '#326D22',
    800: '#24471A',
    900: '#172B12',
  },
}

$base: #155403;
$base-ink: #FFFFFF;
$base-50: #F3FEF0;
$base-100: #E0FDD8;
$base-200: #C1FCB1;
$base-300: #96F47C;
$base-400: #6DE64C;
$base-500: #4CCC29;
$base-600: #409B27;
$base-700: #326D22;
$base-800: #24471A;
$base-900: #172B12;
$base-hover: #104302;
$base-subtle: #A6EC93;

{
    "color": {
        "base": {
            "value": "#155403",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FEF0",
                "type": "color"
            },
            "100": {
                "value": "#E0FDD8",
                "type": "color"
            },
            "200": {
                "value": "#C1FCB1",
                "type": "color"
            },
            "300": {
                "value": "#96F47C",
                "type": "color"
            },
            "400": {
                "value": "#6DE64C",
                "type": "color"
            },
            "500": {
                "value": "#4CCC29",
                "type": "color"
            },
            "600": {
                "value": "#409B27",
                "type": "color"
            },
            "700": {
                "value": "#326D22",
                "type": "color"
            },
            "800": {
                "value": "#24471A",
                "type": "color"
            },
            "900": {
                "value": "#172B12",
                "type": "color"
            }
        }
    }
}

Palettes built on #155403

Color Lab

Pairs with #155403

UI roles & guardrails

In real applications

Scales

Every model

Export