What color is #21300A?

#21300A is a very dark green. In RGB it is rgb(33, 48, 10), and in HSL hsl(84, 66%, 11%).

Is #21300A accessible as text?

On white, #21300A has a contrast ratio of 14.08:1 (passes WCAG AA for body text); on black it is 1.49:1 (fails). For text placed on #21300A, use white for the best readability.

What is the closest Tailwind color to #21300A?

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

What colors go well with #21300A?

#21300A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #180A2F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #21300A below.

Is #21300A good for buttons?

#21300A works well for buttons and highlights, but use white text on #21300A — black text only reaches 1.49:1, below the 4.5:1 needed for normal-size labels.

Is #21300A the same as CSS darkslategray?

No — #21300A 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.

#21300A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #21300A

Not just a swatch — here's how #21300A works with other colors. Named schemes with #21300A in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #21300A Secondary #4F6B39 Accent #AF6A00 Surface #EFE9D6 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 #21300A Secondary #764D1D Surface #E6DBC0 Accent #3D513F Anchor #5B2324

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 #21300A 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 #21300A Anchor #141210 Accent #C3A54B Secondary #262B20 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 #21300A Secondary #4B5145 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 #21300A 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 54/100

Neutral

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 69/100

High

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

Naturalness 82/100

Very high

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

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 72/100

High

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

Brand distinctiveness 24/100

Low

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

UI accent fit 28/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #21300A

For UI

For branding

For interior

For fashion

People also use #21300A with

Army Green Sacramento Green Graphite 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 14.1:1. Use

Subtle surface Use #D6E7BC for cards and hover fills. Tint 80

Avoid beside #132F0A — 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 #21300A 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: #21300A;
  --color-base-rgb: 33 48 10;
  --color-base-oklch: oklch(28.6% 0.063 128.3);
  --color-50: #F8FDF2;
  --color-100: #EDF9DC;
  --color-200: #DCF1BB;
  --color-300: #C0E28D;
  --color-400: #A4D062;
  --color-500: #86B540;
  --color-600: #698A38;
  --color-700: #4D622D;
  --color-800: #344021;
  --color-900: #202816;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sacramento-green: {
    50: '#F8FDF2',
    100: '#EDF9DC',
    200: '#DCF1BB',
    300: '#C0E28D',
    400: '#A4D062',
    500: '#86B540',
    600: '#698A38',
    700: '#4D622D',
    800: '#344021',
    900: '#202816',
  },
}

$base: #21300A;
$base-ink: #FFFFFF;
$base-50: #F8FDF2;
$base-100: #EDF9DC;
$base-200: #DCF1BB;
$base-300: #C0E28D;
$base-400: #A4D062;
$base-500: #86B540;
$base-600: #698A38;
$base-700: #4D622D;
$base-800: #344021;
$base-900: #202816;
$base-hover: #192508;
$base-subtle: #C2DD99;

{
    "color": {
        "base": {
            "value": "#21300A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8FDF2",
                "type": "color"
            },
            "100": {
                "value": "#EDF9DC",
                "type": "color"
            },
            "200": {
                "value": "#DCF1BB",
                "type": "color"
            },
            "300": {
                "value": "#C0E28D",
                "type": "color"
            },
            "400": {
                "value": "#A4D062",
                "type": "color"
            },
            "500": {
                "value": "#86B540",
                "type": "color"
            },
            "600": {
                "value": "#698A38",
                "type": "color"
            },
            "700": {
                "value": "#4D622D",
                "type": "color"
            },
            "800": {
                "value": "#344021",
                "type": "color"
            },
            "900": {
                "value": "#202816",
                "type": "color"
            }
        }
    }
}