What color is #399B4E?

#399B4E is a medium green. In RGB it is rgb(57, 155, 78), and in HSL hsl(133, 46%, 42%).

Is #399B4E accessible as text?

On white, #399B4E has a contrast ratio of 3.52:1 (fails WCAG AA for body text); on black it is 5.97:1 (passes). For text placed on #399B4E, use black for the best readability.

What is the closest Tailwind color to #399B4E?

The nearest Tailwind CSS token is emerald-600 (#009966).

What colors go well with #399B4E?

#399B4E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #9C3A87. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #399B4E below.

Is #399B4E good for buttons?

#399B4E works well for buttons and highlights, but use black text on #399B4E — white text only reaches 3.52:1, below the 4.5:1 needed for normal-size labels.

Is #399B4E the same as CSS seagreen?

No — #399B4E is not the CSS named color seagreen, but seagreen (#2E8B57) is the closest CSS named color.

#399B4E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #399B4E

Not just a swatch — here's how #399B4E works with other colors. Named schemes with #399B4E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #399B4E Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Shamrock 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 #399B4E Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #1A3648

Shamrock 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 #399B4E Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2322

Shamrock 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 #399B4E Surface #F0E8D6 Anchor #612029 Accent #E5C3BA Secondary #342B2C

Shamrock 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 #399B4E Secondary #9AB89D Support #989286 Ink #17140F

Shamrock 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 Shamrock Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #399B4E 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 45/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 40/100

Low

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 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 39/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 89/100

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 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #399B4E

For UI

For branding

For interior

For fashion

People also use #399B4E with

Mantis Persian Green Plum Platinum Hunter Green

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

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 5.3:1. Use

Subtle surface Use #D8EBDC for cards and hover fills. Tint 80

Avoid beside #3A9C70 — 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 #399B4E at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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: #399B4E;
  --color-base-rgb: 57 155 78;
  --color-base-oklch: oklch(61.3% 0.145 147.7);
  --color-50: #F3FBF5;
  --color-100: #E1F5E5;
  --color-200: #C4E9CC;
  --color-300: #9AD5A7;
  --color-400: #73BF83;
  --color-500: #52A363;
  --color-600: #447E51;
  --color-700: #355A3D;
  --color-800: #253C2A;
  --color-900: #18251B;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  shamrock-green: {
    50: '#F3FBF5',
    100: '#E1F5E5',
    200: '#C4E9CC',
    300: '#9AD5A7',
    400: '#73BF83',
    500: '#52A363',
    600: '#447E51',
    700: '#355A3D',
    800: '#253C2A',
    900: '#18251B',
  },
}

$base: #399B4E;
$base-ink: #141310;
$base-50: #F3FBF5;
$base-100: #E1F5E5;
$base-200: #C4E9CC;
$base-300: #9AD5A7;
$base-400: #73BF83;
$base-500: #52A363;
$base-600: #447E51;
$base-700: #355A3D;
$base-800: #253C2A;
$base-900: #18251B;
$base-hover: #2E7D3F;
$base-subtle: #C3E2CA;

{
    "color": {
        "base": {
            "value": "#399B4E",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBF5",
                "type": "color"
            },
            "100": {
                "value": "#E1F5E5",
                "type": "color"
            },
            "200": {
                "value": "#C4E9CC",
                "type": "color"
            },
            "300": {
                "value": "#9AD5A7",
                "type": "color"
            },
            "400": {
                "value": "#73BF83",
                "type": "color"
            },
            "500": {
                "value": "#52A363",
                "type": "color"
            },
            "600": {
                "value": "#447E51",
                "type": "color"
            },
            "700": {
                "value": "#355A3D",
                "type": "color"
            },
            "800": {
                "value": "#253C2A",
                "type": "color"
            },
            "900": {
                "value": "#18251B",
                "type": "color"
            }
        }
    }
}

Palettes built on #399B4E

Color Lab

Pairs with #399B4E

UI roles & guardrails

In real applications

Scales

Every model

Export