What color is #1B210A?

#1B210A is a very dark lime green. In RGB it is rgb(27, 33, 10), and in HSL hsl(76, 53%, 8%).

Is #1B210A accessible as text?

On white, #1B210A has a contrast ratio of 16.55:1 (passes WCAG AA for body text); on black it is 1.27:1 (fails). For text placed on #1B210A, use white for the best readability.

What is the closest Tailwind color to #1B210A?

The nearest Tailwind CSS token is olive-900 (#1D1D16).

What colors go well with #1B210A?

#1B210A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0F0A1F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #1B210A below.

Is #1B210A good for buttons?

#1B210A works well for buttons and highlights, but use white text on #1B210A — black text only reaches 1.27:1, below the 4.5:1 needed for normal-size labels.

Is #1B210A the same as CSS darkslategray?

No — #1B210A 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.

#1B210A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #1B210A

Not just a swatch — here's how #1B210A works with other colors. Named schemes with #1B210A in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #1B210A Secondary #506B38 Accent #B06A02 Surface #EFE9D6 Anchor #3D2F21

Graphite 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 #1B210A Secondary #774D1D Surface #E7DBC0 Accent #3E513F Anchor #5B2324

Graphite 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 #1B210A Surface #EEE9DC Highlight #F6F1E7 Secondary #B7B09F Ink #2B2723

Graphite 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 #1B210A Anchor #141210 Accent #C4A54B Secondary #272B20 Surface #F2EDE3

Graphite 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 #1B210A Secondary #40423A Support #999286 Ink #17140F

Graphite 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 Graphite carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #1B210A 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 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 73/100

High

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

Naturalness 52/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 74/100

High

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

Brand distinctiveness 16/100

Very low

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

UI accent fit 15/100

Very low

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

Surface fit 57/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #1B210A

For UI

For branding

For interior

For fashion

People also use #1B210A with

Bistre Graphite Jet Black 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 16.6:1. Use

Subtle surface Use #D8E2BE for cards and hover fills. Tint 80

Avoid beside #121F0A — 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 #1B210A 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: #1B210A;
  --color-base-rgb: 27 33 10;
  --color-base-oklch: oklch(23.5% 0.040 121.7);
  --color-50: #F9FCF3;
  --color-100: #F0F6DF;
  --color-200: #E0ECC1;
  --color-300: #C8DA95;
  --color-400: #ADC56D;
  --color-500: #90A94C;
  --color-600: #708240;
  --color-700: #515D32;
  --color-800: #363D24;
  --color-900: #222617;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F9FCF3',
    100: '#F0F6DF',
    200: '#E0ECC1',
    300: '#C8DA95',
    400: '#ADC56D',
    500: '#90A94C',
    600: '#708240',
    700: '#515D32',
    800: '#363D24',
    900: '#222617',
  },
}

$base: #1B210A;
$base-ink: #FFFFFF;
$base-50: #F9FCF3;
$base-100: #F0F6DF;
$base-200: #E0ECC1;
$base-300: #C8DA95;
$base-400: #ADC56D;
$base-500: #90A94C;
$base-600: #708240;
$base-700: #515D32;
$base-800: #363D24;
$base-900: #222617;
$base-hover: #141908;
$base-subtle: #C6D59C;

{
    "color": {
        "base": {
            "value": "#1B210A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9FCF3",
                "type": "color"
            },
            "100": {
                "value": "#F0F6DF",
                "type": "color"
            },
            "200": {
                "value": "#E0ECC1",
                "type": "color"
            },
            "300": {
                "value": "#C8DA95",
                "type": "color"
            },
            "400": {
                "value": "#ADC56D",
                "type": "color"
            },
            "500": {
                "value": "#90A94C",
                "type": "color"
            },
            "600": {
                "value": "#708240",
                "type": "color"
            },
            "700": {
                "value": "#515D32",
                "type": "color"
            },
            "800": {
                "value": "#363D24",
                "type": "color"
            },
            "900": {
                "value": "#222617",
                "type": "color"
            }
        }
    }
}