What color is #646E09?

#646E09 is a dark, vivid lime green. In RGB it is rgb(100, 110, 9), and in HSL hsl(66, 85%, 23%).

Is #646E09 accessible as text?

On white, #646E09 has a contrast ratio of 5.56:1 (passes WCAG AA for body text); on black it is 3.78:1 (fails). For text placed on #646E09, use white for the best readability.

What is the closest Tailwind color to #646E09?

The nearest Tailwind CSS token is lime-700 (#497D00).

What colors go well with #646E09?

#646E09 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #13096D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #646E09 below.

Is #646E09 good for buttons?

#646E09 works well for buttons and highlights, but use white text on #646E09 — black text only reaches 3.78:1, below the 4.5:1 needed for normal-size labels.

Is #646E09 the same as CSS darkolivegreen?

No — #646E09 is not the CSS named color darkolivegreen, but darkolivegreen (#556B2F) is the closest CSS named color.

#646E09 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #646E09

Not just a swatch — here's how #646E09 works with other colors. Named schemes with #646E09 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #646E09 Secondary #B06905 Accent #6C7B49 Surface #F2ECDD Anchor #3A2B1F

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

Modern Café Dominant · 5 colors

Dominant #646E09 Anchor #392B1F Surface #EEE3D0 Accent #8B9A6A Secondary #3B3833

Dark Olive Green anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Vintage Leather Lead · 5 colors

Lead #646E09 Secondary #774C1E Surface #E7DBC0 Accent #3E513E Anchor #5B2325

Dark Olive 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 #646E09 Secondary #516A38 Accent #B06905 Surface #EFE9D6 Anchor #3D2F21

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #646E09 Secondary #8E9378 Support #999186 Ink #17140F

Dark Olive 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 Dark Olive Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #646E09 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 64/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 49/100

Moderate

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

Naturalness 96/100

Very high

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

Vintage feel 72/100

High

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 56/100

Moderate

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

Brand distinctiveness 31/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 97/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 19/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #646E09

For UI

For branding

For interior

For fashion

People also use #646E09 with

Brown Dark Green Midnight Blue Platinum Army Green

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 5.6:1. Use

Subtle surface Use #EBF0C0 for cards and hover fills. Tint 80

Avoid beside #416D09 — 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 #646E09 at work across the surfaces designers actually ship.

Website / UI

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A working theme, generated in seconds.

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: #646E09;
  --color-base-rgb: 100 110 9;
  --color-base-oklch: oklch(51.2% 0.114 115.9);
  --color-50: #FDFEF0;
  --color-100: #F9FDD8;
  --color-200: #F2F9B4;
  --color-300: #E3EE81;
  --color-400: #D1DF53;
  --color-500: #B6C530;
  --color-600: #8B962C;
  --color-700: #636A25;
  --color-800: #41451C;
  --color-900: #282A13;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-olive-green: {
    50: '#FDFEF0',
    100: '#F9FDD8',
    200: '#F2F9B4',
    300: '#E3EE81',
    400: '#D1DF53',
    500: '#B6C530',
    600: '#8B962C',
    700: '#636A25',
    800: '#41451C',
    900: '#282A13',
  },
}

$base: #646E09;
$base-ink: #FFFFFF;
$base-50: #FDFEF0;
$base-100: #F9FDD8;
$base-200: #F2F9B4;
$base-300: #E3EE81;
$base-400: #D1DF53;
$base-500: #B6C530;
$base-600: #8B962C;
$base-700: #636A25;
$base-800: #41451C;
$base-900: #282A13;
$base-hover: #4F5707;
$base-subtle: #E3EA9E;

{
    "color": {
        "base": {
            "value": "#646E09",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDFEF0",
                "type": "color"
            },
            "100": {
                "value": "#F9FDD8",
                "type": "color"
            },
            "200": {
                "value": "#F2F9B4",
                "type": "color"
            },
            "300": {
                "value": "#E3EE81",
                "type": "color"
            },
            "400": {
                "value": "#D1DF53",
                "type": "color"
            },
            "500": {
                "value": "#B6C530",
                "type": "color"
            },
            "600": {
                "value": "#8B962C",
                "type": "color"
            },
            "700": {
                "value": "#636A25",
                "type": "color"
            },
            "800": {
                "value": "#41451C",
                "type": "color"
            },
            "900": {
                "value": "#282A13",
                "type": "color"
            }
        }
    }
}

Palettes built on #646E09

Color Lab

Pairs with #646E09

UI roles & guardrails

In real applications

Scales

Every model

Export