What color is #40451E?

#40451E is a dark lime green. In RGB it is rgb(64, 69, 30), and in HSL hsl(68, 39%, 19%).

Is #40451E accessible as text?

On white, #40451E has a contrast ratio of 10.06:1 (passes WCAG AA for body text); on black it is 2.09:1 (fails). For text placed on #40451E, use white for the best readability.

What is the closest Tailwind color to #40451E?

The nearest Tailwind CSS token is olive-700 (#474739).

What colors go well with #40451E?

#40451E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #231E43. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #40451E below.

Is #40451E good for buttons?

#40451E works well for buttons and highlights, but use white text on #40451E — black text only reaches 2.09:1, below the 4.5:1 needed for normal-size labels.

Is #40451E the same as CSS darkslategray?

No — #40451E 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.

#40451E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #40451E

Not just a swatch — here's how #40451E works with other colors. Named schemes with #40451E in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #40451E Secondary #B06905 Accent #6C7B49 Surface #F2ECDD Anchor #3A2B1F

This palette keeps Army Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Vintage Leather Lead · 5 colors

Lead #40451E Secondary #774C1E Surface #E7DBC0 Accent #3E513E Anchor #5B2325

Army 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.

Botanical Studio Lead · 5 colors

Lead #40451E Secondary #516A38 Accent #B06905 Surface #EFE9D6 Anchor #3D2F21

Army Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Desert Clay Center · 5 colors

Center #40451E Surface #DED0A8 Secondary #AC7D50 Accent #8F9A72 Anchor #3D2D1F

Army Green holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #40451E Secondary #67695C Support #999186 Ink #17140F

Army 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 Army Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #40451E 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 57/100

Neutral

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

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 60/100

High

Mid depth — usable as an accent or a muted ground.

Naturalness 65/100

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 64/100

High

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

Brand distinctiveness 23/100

Low

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

UI accent fit 51/100

Moderate

Workable accent with care around contrast.

Surface fit 43/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 88/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #40451E

For UI

For branding

For interior

For fashion

People also use #40451E with

Sepia British Racing Green Russian Violet Platinum Army 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 10.1:1. Use

Subtle surface Use #DEE1CA for cards and hover fills. Tint 80

Avoid beside #32431E — 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 #40451E 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: #40451E;
  --color-base-rgb: 64 69 30;
  --color-base-oklch: oklch(37.6% 0.059 115.4);
  --color-50: #FAFBF4;
  --color-100: #F1F3E2;
  --color-200: #E2E6C6;
  --color-300: #CAD19E;
  --color-400: #B1B979;
  --color-500: #949D58;
  --color-600: #737949;
  --color-700: #535738;
  --color-800: #373A27;
  --color-900: #222419;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  army-green: {
    50: '#FAFBF4',
    100: '#F1F3E2',
    200: '#E2E6C6',
    300: '#CAD19E',
    400: '#B1B979',
    500: '#949D58',
    600: '#737949',
    700: '#535738',
    800: '#373A27',
    900: '#222419',
  },
}

$base: #40451E;
$base-ink: #FFFFFF;
$base-50: #FAFBF4;
$base-100: #F1F3E2;
$base-200: #E2E6C6;
$base-300: #CAD19E;
$base-400: #B1B979;
$base-500: #949D58;
$base-600: #737949;
$base-700: #535738;
$base-800: #373A27;
$base-900: #222419;
$base-hover: #323618;
$base-subtle: #CFD3AF;

{
    "color": {
        "base": {
            "value": "#40451E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAFBF4",
                "type": "color"
            },
            "100": {
                "value": "#F1F3E2",
                "type": "color"
            },
            "200": {
                "value": "#E2E6C6",
                "type": "color"
            },
            "300": {
                "value": "#CAD19E",
                "type": "color"
            },
            "400": {
                "value": "#B1B979",
                "type": "color"
            },
            "500": {
                "value": "#949D58",
                "type": "color"
            },
            "600": {
                "value": "#737949",
                "type": "color"
            },
            "700": {
                "value": "#535738",
                "type": "color"
            },
            "800": {
                "value": "#373A27",
                "type": "color"
            },
            "900": {
                "value": "#222419",
                "type": "color"
            }
        }
    }
}

Palettes built on #40451E

Color Lab

Pairs with #40451E

UI roles & guardrails

In real applications

Scales

Every model

Export