What color is #37A149?

#37A149 is a medium green. In RGB it is rgb(55, 161, 73), and in HSL hsl(130, 49%, 42%).

Is #37A149 accessible as text?

On white, #37A149 has a contrast ratio of 3.30:1 (fails WCAG AA for body text); on black it is 6.36:1 (passes). For text placed on #37A149, use black for the best readability.

What is the closest Tailwind color to #37A149?

The nearest Tailwind CSS token is green-600 (#00A63E).

What colors go well with #37A149?

#37A149 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A0378E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #37A149 below.

Is #37A149 good for buttons?

#37A149 works well for buttons and highlights, but use black text on #37A149 — white text only reaches 3.30:1, below the 4.5:1 needed for normal-size labels.

Is #37A149 the same as CSS mediumseagreen?

No — #37A149 is not the CSS named color mediumseagreen, but mediumseagreen (#3CB371) is the closest CSS named color.

#37A149 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #37A149

Not just a swatch — here's how #37A149 works with other colors. Named schemes with #37A149 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #37A149 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 #37A149 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.

Japanese Sand Base · 5 colors

Base #37A149 Surface #EEE9DC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Shamrock Green sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Warm Autumn Interior Dominant · 5 colors

Dominant #37A149 Secondary #AD6C00 Accent #687C4C Surface #F2EDDD Anchor #3A2B1E

This palette keeps Shamrock Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #37A149 Secondary #9DBE9F 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.

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Color Lab

How #37A149 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 45/100

Neutral

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

Softness 45/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 39/100

Low

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

Naturalness 79/100

High

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

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 61/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 84/100

Very high

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

Surface fit 20/100

Very low

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

Print safety 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #37A149

For UI

For branding

For interior

For fashion

People also use #37A149 with

Mantis Persian Green Fandango 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 5.6:1. Use

Subtle surface Use #D7ECDA for cards and hover fills. Tint 80

Avoid beside #37A06B — 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 #37A149 at work across the surfaces designers actually ship.

Website / UI

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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: #37A149;
  --color-base-rgb: 55 161 73;
  --color-base-oklch: oklch(62.8% 0.159 146.4);
  --color-50: #F3FBF5;
  --color-100: #E0F5E4;
  --color-200: #C2EAC9;
  --color-300: #98D7A3;
  --color-400: #70C27E;
  --color-500: #4FA65E;
  --color-600: #427F4D;
  --color-700: #345B3A;
  --color-800: #253C29;
  --color-900: #18251A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  shamrock-green: {
    50: '#F3FBF5',
    100: '#E0F5E4',
    200: '#C2EAC9',
    300: '#98D7A3',
    400: '#70C27E',
    500: '#4FA65E',
    600: '#427F4D',
    700: '#345B3A',
    800: '#253C29',
    900: '#18251A',
  },
}

$base: #37A149;
$base-ink: #141310;
$base-50: #F3FBF5;
$base-100: #E0F5E4;
$base-200: #C2EAC9;
$base-300: #98D7A3;
$base-400: #70C27E;
$base-500: #4FA65E;
$base-600: #427F4D;
$base-700: #345B3A;
$base-800: #253C29;
$base-900: #18251A;
$base-hover: #2C803A;
$base-subtle: #C2E3C8;

{
    "color": {
        "base": {
            "value": "#37A149",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBF5",
                "type": "color"
            },
            "100": {
                "value": "#E0F5E4",
                "type": "color"
            },
            "200": {
                "value": "#C2EAC9",
                "type": "color"
            },
            "300": {
                "value": "#98D7A3",
                "type": "color"
            },
            "400": {
                "value": "#70C27E",
                "type": "color"
            },
            "500": {
                "value": "#4FA65E",
                "type": "color"
            },
            "600": {
                "value": "#427F4D",
                "type": "color"
            },
            "700": {
                "value": "#345B3A",
                "type": "color"
            },
            "800": {
                "value": "#253C29",
                "type": "color"
            },
            "900": {
                "value": "#18251A",
                "type": "color"
            }
        }
    }
}

Palettes built on #37A149

Color Lab

Pairs with #37A149

UI roles & guardrails

In real applications

Scales

Every model

Export