What color is #66840C?

#66840C is a dark, vivid lime green. In RGB it is rgb(102, 132, 12), and in HSL hsl(75, 83%, 28%).

Is #66840C accessible as text?

On white, #66840C has a contrast ratio of 4.31:1 (fails WCAG AA for body text); on black it is 4.87:1 (passes). For text placed on #66840C, use black for the best readability.

What is the closest Tailwind color to #66840C?

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

What colors go well with #66840C?

#66840C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2A0C83. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #66840C below.

Is #66840C good for buttons?

#66840C works well for buttons and highlights, but use black text on #66840C — white text only reaches 4.31:1, below the 4.5:1 needed for normal-size labels.

Is #66840C the same as CSS olivedrab?

No — #66840C is not the CSS named color olivedrab, but olivedrab (#6B8E23) is the closest CSS named color.

#66840C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #66840C

Not just a swatch — here's how #66840C works with other colors. Named schemes with #66840C in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #66840C Secondary #AF6A01 Accent #6B7B4A Surface #F2ECDD Anchor #3A2B1E

This palette keeps Avocado 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 #66840C Anchor #392B1F Surface #EEE4D0 Accent #8A9A6B Secondary #3B3833

Avocado 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 #66840C Secondary #764D1D Surface #E6DBC0 Accent #3D513F Anchor #5B2324

Avocado 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 #66840C Secondary #4F6B39 Accent #AF6A01 Surface #EFE9D6 Anchor #3D2F21

Avocado 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 #66840C Secondary #9BA786 Support #999286 Ink #17140F

Avocado 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 Avocado carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #66840C 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 61/100

Neutral

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

Softness 43/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

Moderate

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

Naturalness 100/100

Very high

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

Vintage feel 61/100

High

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

Luxury 49/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 37/100

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 17/100

Very low

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

Print safety 71/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #66840C

For UI

For branding

For interior

For fashion

People also use #66840C with

Copper Green Midnight Blue Platinum Army Green

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 4.3:1. Use

Subtle surface Use #E5F0C4 for cards and hover fills. Tint 80

Avoid beside #3E830C — 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 #66840C 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: #66840C;
  --color-base-rgb: 102 132 12;
  --color-base-oklch: oklch(57.0% 0.138 124.3);
  --color-50: #FBFEF0;
  --color-100: #F4FDD9;
  --color-200: #E7F8B4;
  --color-300: #D2ED82;
  --color-400: #BBDE54;
  --color-500: #9FC331;
  --color-600: #7B952D;
  --color-700: #586926;
  --color-800: #3A441C;
  --color-900: #242A13;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  avocado: {
    50: '#FBFEF0',
    100: '#F4FDD9',
    200: '#E7F8B4',
    300: '#D2ED82',
    400: '#BBDE54',
    500: '#9FC331',
    600: '#7B952D',
    700: '#586926',
    800: '#3A441C',
    900: '#242A13',
  },
}

$base: #66840C;
$base-ink: #141310;
$base-50: #FBFEF0;
$base-100: #F4FDD9;
$base-200: #E7F8B4;
$base-300: #D2ED82;
$base-400: #BBDE54;
$base-500: #9FC331;
$base-600: #7B952D;
$base-700: #586926;
$base-800: #3A441C;
$base-900: #242A13;
$base-hover: #51690A;
$base-subtle: #D9EBA5;

{
    "color": {
        "base": {
            "value": "#66840C",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FBFEF0",
                "type": "color"
            },
            "100": {
                "value": "#F4FDD9",
                "type": "color"
            },
            "200": {
                "value": "#E7F8B4",
                "type": "color"
            },
            "300": {
                "value": "#D2ED82",
                "type": "color"
            },
            "400": {
                "value": "#BBDE54",
                "type": "color"
            },
            "500": {
                "value": "#9FC331",
                "type": "color"
            },
            "600": {
                "value": "#7B952D",
                "type": "color"
            },
            "700": {
                "value": "#586926",
                "type": "color"
            },
            "800": {
                "value": "#3A441C",
                "type": "color"
            },
            "900": {
                "value": "#242A13",
                "type": "color"
            }
        }
    }
}

Palettes built on #66840C

Color Lab

Pairs with #66840C

UI roles & guardrails

In real applications

Scales

Every model

Export