What color is #183307?

#183307 is a very dark, vivid green. In RGB it is rgb(24, 51, 7), and in HSL hsl(97, 76%, 11%).

Is #183307 accessible as text?

On white, #183307 has a contrast ratio of 13.86:1 (passes WCAG AA for body text); on black it is 1.52:1 (fails). For text placed on #183307, use white for the best readability.

What is the closest Tailwind color to #183307?

The nearest Tailwind CSS token is lime-950 (#192E03).

What colors go well with #183307?

#183307 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #210731. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #183307 below.

Is #183307 good for buttons?

#183307 works well for buttons and highlights, but use white text on #183307 — black text only reaches 1.52:1, below the 4.5:1 needed for normal-size labels.

Is #183307 the same as CSS darkslategray?

No — #183307 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.

#183307 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #183307

Not just a swatch — here's how #183307 works with other colors. Named schemes with #183307 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #183307 Secondary #4E6B3A Accent #AE6B00 Surface #EFEAD6 Anchor #3D2F21

Sacramento 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 #183307 Secondary #764D1C Surface #E6DBC0 Accent #3D513F Anchor #5B2323

Sacramento 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.

Japanese Sand Base · 5 colors

Base #183307 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Sacramento Green sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #183307 Anchor #141210 Accent #C2A64B Secondary #242B21 Surface #F2EDE3

Sacramento 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #183307 Secondary #495345 Support #999286 Ink #17140F

Sacramento 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 Sacramento Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #183307 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 52/100

Neutral

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 70/100

High

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

Naturalness 99/100

Very high

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

Vintage feel 46/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 73/100

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 31/100

Low

Workable accent with care around contrast.

Surface fit 43/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #183307

For UI

For branding

For interior

For fashion

People also use #183307 with

Army Green Sacramento Green Deep Purple Platinum

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 13.9:1. Use

Subtle surface Use #CCEAB9 for cards and hover fills. Tint 80

Avoid beside #093107 — 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 #183307 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: #183307;
  --color-base-rgb: 24 51 7;
  --color-base-oklch: oklch(28.9% 0.076 135.9);
  --color-50: #F6FEF1;
  --color-100: #E7FBDA;
  --color-200: #CFF5B7;
  --color-300: #ACE987;
  --color-400: #8AD85A;
  --color-500: #6BBD37;
  --color-600: #569032;
  --color-700: #406629;
  --color-800: #2C431E;
  --color-900: #1C2914;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sacramento-green: {
    50: '#F6FEF1',
    100: '#E7FBDA',
    200: '#CFF5B7',
    300: '#ACE987',
    400: '#8AD85A',
    500: '#6BBD37',
    600: '#569032',
    700: '#406629',
    800: '#2C431E',
    900: '#1C2914',
  },
}

$base: #183307;
$base-ink: #FFFFFF;
$base-50: #F6FEF1;
$base-100: #E7FBDA;
$base-200: #CFF5B7;
$base-300: #ACE987;
$base-400: #8AD85A;
$base-500: #6BBD37;
$base-600: #569032;
$base-700: #406629;
$base-800: #2C431E;
$base-900: #1C2914;
$base-hover: #122705;
$base-subtle: #B2E294;

{
    "color": {
        "base": {
            "value": "#183307",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6FEF1",
                "type": "color"
            },
            "100": {
                "value": "#E7FBDA",
                "type": "color"
            },
            "200": {
                "value": "#CFF5B7",
                "type": "color"
            },
            "300": {
                "value": "#ACE987",
                "type": "color"
            },
            "400": {
                "value": "#8AD85A",
                "type": "color"
            },
            "500": {
                "value": "#6BBD37",
                "type": "color"
            },
            "600": {
                "value": "#569032",
                "type": "color"
            },
            "700": {
                "value": "#406629",
                "type": "color"
            },
            "800": {
                "value": "#2C431E",
                "type": "color"
            },
            "900": {
                "value": "#1C2914",
                "type": "color"
            }
        }
    }
}