What color is #288640?

#288640 is a dark green. In RGB it is rgb(40, 134, 64), and in HSL hsl(135, 54%, 34%).

Is #288640 accessible as text?

On white, #288640 has a contrast ratio of 4.59:1 (passes WCAG AA for body text); on black it is 4.57:1 (passes). For text placed on #288640, use white for the best readability.

What is the closest Tailwind color to #288640?

The nearest Tailwind CSS token is green-700 (#008236).

What colors go well with #288640?

#288640 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #86286E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #288640 below.

Is #288640 good for buttons?

#288640 works for buttons; white text has the higher contrast, so prefer it for labels.

Is #288640 the same as CSS seagreen?

No — #288640 is not the CSS named color seagreen, but seagreen (#2E8B57) is the closest CSS named color.

#288640 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #288640

Not just a swatch — here's how #288640 works with other colors. Named schemes with #288640 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #288640 Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

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

Coastal Morning Lead · 5 colors

Lead #288640 Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #1A3648

Sea Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Vintage Leather Lead · 5 colors

Lead #288640 Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2322

Sea 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.

Berry & Cream Lead · 5 colors

Lead #288640 Surface #F0E8D6 Anchor #612029 Accent #E5C3BA Secondary #342B2C

Sea Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #288640 Secondary #87A48B Support #989286 Ink #17140F

Sea 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 Sea Green carrying the quiet middle.

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Color Lab

How #288640 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 44/100

Neutral

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 46/100

Moderate

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

Naturalness 98/100

Very high

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

Vintage feel 57/100

Moderate

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

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 37/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 99/100

Very high

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

Surface fit 16/100

Very low

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

Print safety 70/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #288640

For UI

For branding

For interior

For fashion

People also use #288640 with

Jade Green Viridian Byzantium Platinum Hunter 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 4.6:1. Use

Subtle surface Use #D0EAD7 for cards and hover fills. Tint 80

Avoid beside #28865F — 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 #288640 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #288640;
  --color-base-rgb: 40 134 64;
  --color-base-oklch: oklch(54.9% 0.137 148.2);
  --color-50: #F3FCF5;
  --color-100: #DFF6E5;
  --color-200: #C0ECCB;
  --color-300: #95DAA6;
  --color-400: #6CC683;
  --color-500: #4BAA63;
  --color-600: #3F8350;
  --color-700: #325D3D;
  --color-800: #233D2A;
  --color-900: #17261B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sea-green: {
    50: '#F3FCF5',
    100: '#DFF6E5',
    200: '#C0ECCB',
    300: '#95DAA6',
    400: '#6CC683',
    500: '#4BAA63',
    600: '#3F8350',
    700: '#325D3D',
    800: '#233D2A',
    900: '#17261B',
  },
}

$base: #288640;
$base-ink: #FFFFFF;
$base-50: #F3FCF5;
$base-100: #DFF6E5;
$base-200: #C0ECCB;
$base-300: #95DAA6;
$base-400: #6CC683;
$base-500: #4BAA63;
$base-600: #3F8350;
$base-700: #325D3D;
$base-800: #233D2A;
$base-900: #17261B;
$base-hover: #206B33;
$base-subtle: #B8E1C2;

{
    "color": {
        "base": {
            "value": "#288640",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF5",
                "type": "color"
            },
            "100": {
                "value": "#DFF6E5",
                "type": "color"
            },
            "200": {
                "value": "#C0ECCB",
                "type": "color"
            },
            "300": {
                "value": "#95DAA6",
                "type": "color"
            },
            "400": {
                "value": "#6CC683",
                "type": "color"
            },
            "500": {
                "value": "#4BAA63",
                "type": "color"
            },
            "600": {
                "value": "#3F8350",
                "type": "color"
            },
            "700": {
                "value": "#325D3D",
                "type": "color"
            },
            "800": {
                "value": "#233D2A",
                "type": "color"
            },
            "900": {
                "value": "#17261B",
                "type": "color"
            }
        }
    }
}

Palettes built on #288640

Color Lab

Pairs with #288640

UI roles & guardrails

In real applications

Scales

Every model

Export