What color is #151B02?

#151B02 is a very dark, vivid lime green. In RGB it is rgb(21, 27, 2), and in HSL hsl(74, 86%, 6%).

Is #151B02 accessible as text?

On white, #151B02 has a contrast ratio of 17.65:1 (passes WCAG AA for body text); on black it is 1.19:1 (fails). For text placed on #151B02, use white for the best readability.

What is the closest Tailwind color to #151B02?

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

What colors go well with #151B02?

#151B02 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #08021C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #151B02 below.

Is #151B02 good for buttons?

#151B02 works well for buttons and highlights, but use white text on #151B02 — black text only reaches 1.19:1, below the 4.5:1 needed for normal-size labels.

Is #151B02 the same as CSS darkslategray?

No — #151B02 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.

#151B02 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #151B02

Not just a swatch — here's how #151B02 works with other colors. Named schemes with #151B02 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #151B02 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 #151B02 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 #151B02 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 #151B02 Anchor #141210 Accent #C4A54B Secondary #272A1F 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 #151B02 Secondary #393C32 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 #151B02 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 22/100

Low

Firm and assertive — carries weight and contrast.

Depth 76/100

High

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

Naturalness 58/100

Moderate

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

Vintage feel 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 76/100

High

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

Brand distinctiveness 18/100

Very low

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

UI accent fit 12/100

Very low

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

Surface fit 58/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #151B02

For UI

For branding

For interior

For fashion

People also use #151B02 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 17.7:1. Use

Subtle surface Use #DFEDB1 for cards and hover fills. Tint 80

Avoid beside #0E1C02 — 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 #151B02 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: #151B02;
  --color-base-rgb: 21 27 2;
  --color-base-oklch: oklch(20.9% 0.046 121.0);
  --color-50: #FBFEF0;
  --color-100: #F4FDD8;
  --color-200: #E9F9B3;
  --color-300: #D5EF80;
  --color-400: #BFE052;
  --color-500: #A3C62F;
  --color-600: #7D962B;
  --color-700: #5A6A25;
  --color-800: #3B451C;
  --color-900: #252A13;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#FBFEF0',
    100: '#F4FDD8',
    200: '#E9F9B3',
    300: '#D5EF80',
    400: '#BFE052',
    500: '#A3C62F',
    600: '#7D962B',
    700: '#5A6A25',
    800: '#3B451C',
    900: '#252A13',
  },
}

$base: #151B02;
$base-ink: #FFFFFF;
$base-50: #FBFEF0;
$base-100: #F4FDD8;
$base-200: #E9F9B3;
$base-300: #D5EF80;
$base-400: #BFE052;
$base-500: #A3C62F;
$base-600: #7D962B;
$base-700: #5A6A25;
$base-800: #3B451C;
$base-900: #252A13;
$base-hover: #121702;
$base-subtle: #D0E688;

{
    "color": {
        "base": {
            "value": "#151B02",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FBFEF0",
                "type": "color"
            },
            "100": {
                "value": "#F4FDD8",
                "type": "color"
            },
            "200": {
                "value": "#E9F9B3",
                "type": "color"
            },
            "300": {
                "value": "#D5EF80",
                "type": "color"
            },
            "400": {
                "value": "#BFE052",
                "type": "color"
            },
            "500": {
                "value": "#A3C62F",
                "type": "color"
            },
            "600": {
                "value": "#7D962B",
                "type": "color"
            },
            "700": {
                "value": "#5A6A25",
                "type": "color"
            },
            "800": {
                "value": "#3B451C",
                "type": "color"
            },
            "900": {
                "value": "#252A13",
                "type": "color"
            }
        }
    }
}