What color is #288A4E?

#288A4E is a dark green. In RGB it is rgb(40, 138, 78), and in HSL hsl(143, 55%, 35%).

Is #288A4E accessible as text?

On white, #288A4E has a contrast ratio of 4.34:1 (fails WCAG AA for body text); on black it is 4.84:1 (passes). For text placed on #288A4E, use black for the best readability.

What is the closest Tailwind color to #288A4E?

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

What colors go well with #288A4E?

#288A4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8A2865. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #288A4E below.

Is #288A4E good for buttons?

#288A4E works well for buttons and highlights, but use black text on #288A4E — white text only reaches 4.34:1, below the 4.5:1 needed for normal-size labels.

Is #288A4E the same as CSS seagreen?

No — #288A4E is not the CSS named color seagreen, but seagreen (#2E8B57) is the closest CSS named color.

#288A4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #288A4E

Not just a swatch — here's how #288A4E works with other colors. Named schemes with #288A4E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #288A4E 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 #288A4E 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 #288A4E 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 #288A4E 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 #288A4E Secondary #8BA892 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 #288A4E 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 45/100

Moderate

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

Naturalness 96/100

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 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 98/100

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 #288A4E

For UI

For branding

For interior

For fashion

People also use #288A4E 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 white text at 4.3:1. Use

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

Avoid beside #288A6F — 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 #288A4E 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: #288A4E;
  --color-base-rgb: 40 138 78;
  --color-base-oklch: oklch(56.2% 0.129 152.3);
  --color-50: #F3FCF6;
  --color-100: #DFF6E8;
  --color-200: #C0EDD1;
  --color-300: #94DBAF;
  --color-400: #6BC78E;
  --color-500: #4AAB6F;
  --color-600: #3F8359;
  --color-700: #315E42;
  --color-800: #233E2D;
  --color-900: #17261D;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  sea-green: {
    50: '#F3FCF6',
    100: '#DFF6E8',
    200: '#C0EDD1',
    300: '#94DBAF',
    400: '#6BC78E',
    500: '#4AAB6F',
    600: '#3F8359',
    700: '#315E42',
    800: '#233E2D',
    900: '#17261D',
  },
}

$base: #288A4E;
$base-ink: #141310;
$base-50: #F3FCF6;
$base-100: #DFF6E8;
$base-200: #C0EDD1;
$base-300: #94DBAF;
$base-400: #6BC78E;
$base-500: #4AAB6F;
$base-600: #3F8359;
$base-700: #315E42;
$base-800: #233E2D;
$base-900: #17261D;
$base-hover: #206F3E;
$base-subtle: #B8E2C8;

{
    "color": {
        "base": {
            "value": "#288A4E",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF6",
                "type": "color"
            },
            "100": {
                "value": "#DFF6E8",
                "type": "color"
            },
            "200": {
                "value": "#C0EDD1",
                "type": "color"
            },
            "300": {
                "value": "#94DBAF",
                "type": "color"
            },
            "400": {
                "value": "#6BC78E",
                "type": "color"
            },
            "500": {
                "value": "#4AAB6F",
                "type": "color"
            },
            "600": {
                "value": "#3F8359",
                "type": "color"
            },
            "700": {
                "value": "#315E42",
                "type": "color"
            },
            "800": {
                "value": "#233E2D",
                "type": "color"
            },
            "900": {
                "value": "#17261D",
                "type": "color"
            }
        }
    }
}

Palettes built on #288A4E

Color Lab

Pairs with #288A4E

UI roles & guardrails

In real applications

Scales

Every model

Export