What color is #288B4F?

#288B4F is a dark green. In RGB it is rgb(40, 139, 79), and in HSL hsl(144, 55%, 35%).

Is #288B4F accessible as text?

On white, #288B4F has a contrast ratio of 4.29:1 (fails WCAG AA for body text); on black it is 4.90:1 (passes). For text placed on #288B4F, use black for the best readability.

What is the closest Tailwind color to #288B4F?

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

What colors go well with #288B4F?

#288B4F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8A2863. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #288B4F below.

Is #288B4F good for buttons?

#288B4F works well for buttons and highlights, but use black text on #288B4F — white text only reaches 4.29:1, below the 4.5:1 needed for normal-size labels.

Is #288B4F the same as CSS seagreen?

No — #288B4F is not the CSS named color seagreen, but seagreen (#2E8B57) is the closest CSS named color.

#288B4F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #288B4F

Not just a swatch — here's how #288B4F works with other colors. Named schemes with #288B4F in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #288B4F Secondary #4B6C3C Accent #AC6C00 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 #288B4F Accent #A8C4BA Surface #E1D9BE Secondary #9AA0A0 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 #288B4F Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

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 #288B4F Surface #F0E8D6 Anchor #612028 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 #288B4F Secondary #8CA993 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 #288B4F 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 42/100

Neutral

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

Softness 44/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

Moderate

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

Naturalness 95/100

Very high

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

Vintage feel 58/100

Moderate

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

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 35/100

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 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #288B4F

For UI

For branding

For interior

For fashion

People also use #288B4F with

Kelly Green Dark Cyan Byzantium Platinum Hunter 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 #141310 text at 4.3:1. Use

Subtle surface Use #D1EBDB for cards and hover fills. Tint 80

Avoid beside #288A70 — 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 #288B4F 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: #288B4F;
  --color-base-rgb: 40 139 79;
  --color-base-oklch: oklch(56.5% 0.129 152.5);
  --color-50: #F3FCF6;
  --color-100: #DFF6E8;
  --color-200: #C0EDD2;
  --color-300: #94DBB1;
  --color-400: #6BC790;
  --color-500: #4AAB71;
  --color-600: #3F835A;
  --color-700: #315E43;
  --color-800: #233E2E;
  --color-900: #17261D;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  sea-green: {
    50: '#F3FCF6',
    100: '#DFF6E8',
    200: '#C0EDD2',
    300: '#94DBB1',
    400: '#6BC790',
    500: '#4AAB71',
    600: '#3F835A',
    700: '#315E43',
    800: '#233E2E',
    900: '#17261D',
  },
}

$base: #288B4F;
$base-ink: #141310;
$base-50: #F3FCF6;
$base-100: #DFF6E8;
$base-200: #C0EDD2;
$base-300: #94DBB1;
$base-400: #6BC790;
$base-500: #4AAB71;
$base-600: #3F835A;
$base-700: #315E43;
$base-800: #233E2E;
$base-900: #17261D;
$base-hover: #206F40;
$base-subtle: #B8E2C9;

{
    "color": {
        "base": {
            "value": "#288B4F",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF6",
                "type": "color"
            },
            "100": {
                "value": "#DFF6E8",
                "type": "color"
            },
            "200": {
                "value": "#C0EDD2",
                "type": "color"
            },
            "300": {
                "value": "#94DBB1",
                "type": "color"
            },
            "400": {
                "value": "#6BC790",
                "type": "color"
            },
            "500": {
                "value": "#4AAB71",
                "type": "color"
            },
            "600": {
                "value": "#3F835A",
                "type": "color"
            },
            "700": {
                "value": "#315E43",
                "type": "color"
            },
            "800": {
                "value": "#233E2E",
                "type": "color"
            },
            "900": {
                "value": "#17261D",
                "type": "color"
            }
        }
    }
}

Palettes built on #288B4F

Color Lab

Pairs with #288B4F

UI roles & guardrails

In real applications

Scales

Every model

Export