What color is #218151?

#218151 is a dark teal-green. In RGB it is rgb(33, 129, 81), and in HSL hsl(150, 59%, 32%).

Is #218151 accessible as text?

On white, #218151 has a contrast ratio of 4.86:1 (passes WCAG AA for body text); on black it is 4.32:1 (fails). For text placed on #218151, use white for the best readability.

What is the closest Tailwind color to #218151?

The nearest Tailwind CSS token is emerald-700 (#007A55).

What colors go well with #218151?

#218151 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #822152. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #218151 below.

Is #218151 good for buttons?

#218151 works well for buttons and highlights, but use white text on #218151 — black text only reaches 4.32:1, below the 4.5:1 needed for normal-size labels.

Is #218151 the same as CSS seagreen?

No — #218151 is not the CSS named color seagreen, but seagreen (#2E8B57) is the closest CSS named color.

#218151 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #218151

Not just a swatch — here's how #218151 works with other colors. Named schemes with #218151 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #218151 Secondary #4A6C3D 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 #218151 Accent #A8C4BB 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 #218151 Secondary #744E1A 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 #218151 Surface #F0E8D6 Anchor #612028 Accent #E5C4B9 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 #218151 Secondary #849F8D 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.

Build a working theme in the generator →

Color Lab

How #218151 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 40/100

Neutral

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

Softness 44/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 47/100

Moderate

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

Naturalness 91/100

Very high

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

Vintage feel 62/100

High

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

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 31/100

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 21/100

Low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #218151

For UI

For branding

For interior

For fashion

People also use #218151 with

Shamrock Green Teal 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 4.9:1. Use

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

Avoid beside #218272 — 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 #218151 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: #218151;
  --color-base-rgb: 33 129 81;
  --color-base-oklch: oklch(53.6% 0.115 156.5);
  --color-50: #F2FCF7;
  --color-100: #DEF7EB;
  --color-200: #BEEED6;
  --color-300: #92DEB8;
  --color-400: #68CA99;
  --color-500: #46AE7A;
  --color-600: #3C8661;
  --color-700: #305F47;
  --color-800: #223F30;
  --color-900: #17271F;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sea-green: {
    50: '#F2FCF7',
    100: '#DEF7EB',
    200: '#BEEED6',
    300: '#92DEB8',
    400: '#68CA99',
    500: '#46AE7A',
    600: '#3C8661',
    700: '#305F47',
    800: '#223F30',
    900: '#17271F',
  },
}

$base: #218151;
$base-ink: #FFFFFF;
$base-50: #F2FCF7;
$base-100: #DEF7EB;
$base-200: #BEEED6;
$base-300: #92DEB8;
$base-400: #68CA99;
$base-500: #46AE7A;
$base-600: #3C8661;
$base-700: #305F47;
$base-800: #223F30;
$base-900: #17271F;
$base-hover: #1B6841;
$base-subtle: #B4E2CB;

{
    "color": {
        "base": {
            "value": "#218151",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FCF7",
                "type": "color"
            },
            "100": {
                "value": "#DEF7EB",
                "type": "color"
            },
            "200": {
                "value": "#BEEED6",
                "type": "color"
            },
            "300": {
                "value": "#92DEB8",
                "type": "color"
            },
            "400": {
                "value": "#68CA99",
                "type": "color"
            },
            "500": {
                "value": "#46AE7A",
                "type": "color"
            },
            "600": {
                "value": "#3C8661",
                "type": "color"
            },
            "700": {
                "value": "#305F47",
                "type": "color"
            },
            "800": {
                "value": "#223F30",
                "type": "color"
            },
            "900": {
                "value": "#17271F",
                "type": "color"
            }
        }
    }
}

Palettes built on #218151

Color Lab

Pairs with #218151

UI roles & guardrails

In real applications

Scales

Every model

Export