What color is #645E07?

#645E07 is a dark, vivid yellow. In RGB it is rgb(100, 94, 7), and in HSL hsl(56, 87%, 21%).

Is #645E07 accessible as text?

On white, #645E07 has a contrast ratio of 6.68:1 (passes WCAG AA for body text); on black it is 3.15:1 (fails). For text placed on #645E07, use white for the best readability.

What is the closest Tailwind color to #645E07?

The nearest Tailwind CSS token is lime-800 (#3C6300).

What colors go well with #645E07?

#645E07 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #070D64. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #645E07 below.

Is #645E07 good for buttons?

#645E07 works well for buttons and highlights, but use white text on #645E07 — black text only reaches 3.15:1, below the 4.5:1 needed for normal-size labels.

Is #645E07 the same as CSS darkolivegreen?

No — #645E07 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.

#645E07 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #645E07

Not just a swatch — here's how #645E07 works with other colors. Named schemes with #645E07 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #645E07 Secondary #B1680B Accent #6D7A48 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 #645E07 Anchor #392B1F Surface #EEE3D0 Accent #8C9969 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 #645E07 Secondary #774C1F 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 #645E07 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 #645E07 Secondary #87856E 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 #645E07 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 67/100

Warm

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

Softness 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 52/100

Moderate

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

Naturalness 81/100

Very high

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

Vintage feel 77/100

High

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

Luxury 59/100

Moderate

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

Brand distinctiveness 26/100

Low

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

UI accent fit 88/100

Very high

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

Surface fit 25/100

Low

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

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #645E07

For UI

For branding

For interior

For fashion

People also use #645E07 with

Saddle Brown Dark Green Navy 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 6.7:1. Use

Subtle surface Use #F0EDBD for cards and hover fills. Tint 80

Avoid beside #4B6407 — 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 #645E07 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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: #645E07;
  --color-base-rgb: 100 94 7;
  --color-base-oklch: oklch(47.3% 0.098 105.1);
  --color-50: #FEFDF0;
  --color-100: #FDFBD8;
  --color-200: #FAF5B3;
  --color-300: #F0E87F;
  --color-400: #E1D751;
  --color-500: #C7BD2E;
  --color-600: #97902B;
  --color-700: #6B6624;
  --color-800: #45431C;
  --color-900: #2A2913;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-olive-green: {
    50: '#FEFDF0',
    100: '#FDFBD8',
    200: '#FAF5B3',
    300: '#F0E87F',
    400: '#E1D751',
    500: '#C7BD2E',
    600: '#97902B',
    700: '#6B6624',
    800: '#45431C',
    900: '#2A2913',
  },
}

$base: #645E07;
$base-ink: #FFFFFF;
$base-50: #FEFDF0;
$base-100: #FDFBD8;
$base-200: #FAF5B3;
$base-300: #F0E87F;
$base-400: #E1D751;
$base-500: #C7BD2E;
$base-600: #97902B;
$base-700: #6B6624;
$base-800: #45431C;
$base-900: #2A2913;
$base-hover: #504B06;
$base-subtle: #EBE59B;

{
    "color": {
        "base": {
            "value": "#645E07",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEFDF0",
                "type": "color"
            },
            "100": {
                "value": "#FDFBD8",
                "type": "color"
            },
            "200": {
                "value": "#FAF5B3",
                "type": "color"
            },
            "300": {
                "value": "#F0E87F",
                "type": "color"
            },
            "400": {
                "value": "#E1D751",
                "type": "color"
            },
            "500": {
                "value": "#C7BD2E",
                "type": "color"
            },
            "600": {
                "value": "#97902B",
                "type": "color"
            },
            "700": {
                "value": "#6B6624",
                "type": "color"
            },
            "800": {
                "value": "#45431C",
                "type": "color"
            },
            "900": {
                "value": "#2A2913",
                "type": "color"
            }
        }
    }
}

Palettes built on #645E07

Color Lab

Pairs with #645E07

UI roles & guardrails

In real applications

Scales

Every model

Export