What color is #66601D?

#66601D is a dark yellow. In RGB it is rgb(102, 96, 29), and in HSL hsl(55, 56%, 26%).

Is #66601D accessible as text?

On white, #66601D has a contrast ratio of 6.45:1 (passes WCAG AA for body text); on black it is 3.26:1 (fails). For text placed on #66601D, use white for the best readability.

What is the closest Tailwind color to #66601D?

The nearest Tailwind CSS token is olive-600 (#5B5B4B).

What colors go well with #66601D?

#66601D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1D2367. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #66601D below.

Is #66601D good for buttons?

#66601D works well for buttons and highlights, but use white text on #66601D — black text only reaches 3.26:1, below the 4.5:1 needed for normal-size labels.

Is #66601D the same as CSS darkolivegreen?

No — #66601D is not the CSS named color darkolivegreen, but darkolivegreen (#556B2F) 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.

#66601D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #66601D

Not just a swatch — here's how #66601D works with other colors. Named schemes with #66601D in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #66601D Secondary #B1680B Accent #6E7A48 Surface #F3ECDD 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 #66601D Anchor #392B1F Surface #EEE3D0 Accent #8D9969 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 #66601D Secondary #784C1F Surface #E7DAC0 Accent #3E513E Anchor #5B2226

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 #66601D Secondary #536A36 Accent #B1680B Surface #F0E9D6 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 #66601D Secondary #898873 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.

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Color Lab

How #66601D 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 65/100

Warm

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

Softness 43/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 51/100

Moderate

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

Naturalness 78/100

High

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

Vintage feel 81/100

Very high

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

Luxury 57/100

Moderate

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

Brand distinctiveness 23/100

Low

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

UI accent fit 85/100

Very high

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

Surface fit 27/100

Low

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

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #66601D

For UI

For branding

For interior

For fashion

People also use #66601D with

Saddle Brown Dark Olive Green Midnight Blue Greige 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 6.4:1. Use

Subtle surface Use #E8E6CA for cards and hover fills. Tint 80

Avoid beside #55671D — 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 #66601D 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: #66601D;
  --color-base-rgb: 102 96 29;
  --color-base-oklch: oklch(48.1% 0.087 104.2);
  --color-50: #FCFBF3;
  --color-100: #F7F5DF;
  --color-200: #EDE9BF;
  --color-300: #DCD693;
  --color-400: #C7C06B;
  --color-500: #ACA349;
  --color-600: #847E3E;
  --color-700: #5E5A31;
  --color-800: #3E3C23;
  --color-900: #262517;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-olive-green: {
    50: '#FCFBF3',
    100: '#F7F5DF',
    200: '#EDE9BF',
    300: '#DCD693',
    400: '#C7C06B',
    500: '#ACA349',
    600: '#847E3E',
    700: '#5E5A31',
    800: '#3E3C23',
    900: '#262517',
  },
}

$base: #66601D;
$base-ink: #FFFFFF;
$base-50: #FCFBF3;
$base-100: #F7F5DF;
$base-200: #EDE9BF;
$base-300: #DCD693;
$base-400: #C7C06B;
$base-500: #ACA349;
$base-600: #847E3E;
$base-700: #5E5A31;
$base-800: #3E3C23;
$base-900: #262517;
$base-hover: #534E17;
$base-subtle: #DEDAAE;

{
    "color": {
        "base": {
            "value": "#66601D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCFBF3",
                "type": "color"
            },
            "100": {
                "value": "#F7F5DF",
                "type": "color"
            },
            "200": {
                "value": "#EDE9BF",
                "type": "color"
            },
            "300": {
                "value": "#DCD693",
                "type": "color"
            },
            "400": {
                "value": "#C7C06B",
                "type": "color"
            },
            "500": {
                "value": "#ACA349",
                "type": "color"
            },
            "600": {
                "value": "#847E3E",
                "type": "color"
            },
            "700": {
                "value": "#5E5A31",
                "type": "color"
            },
            "800": {
                "value": "#3E3C23",
                "type": "color"
            },
            "900": {
                "value": "#262517",
                "type": "color"
            }
        }
    }
}

Palettes built on #66601D

Color Lab

Pairs with #66601D

UI roles & guardrails

In real applications

Scales

Every model

Export