What color is #37A137?

#37A137 is a medium green. In RGB it is rgb(55, 161, 55), and in HSL hsl(120, 49%, 42%).

Is #37A137 accessible as text?

On white, #37A137 has a contrast ratio of 3.33:1 (fails WCAG AA for body text); on black it is 6.32:1 (passes). For text placed on #37A137, use black for the best readability.

What is the closest Tailwind color to #37A137?

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

What colors go well with #37A137?

#37A137 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A037A0. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #37A137 below.

Is #37A137 good for buttons?

#37A137 works well for buttons and highlights, but use black text on #37A137 — white text only reaches 3.33:1, below the 4.5:1 needed for normal-size labels.

Is #37A137 the same as CSS olivedrab?

No — #37A137 is not the CSS named color olivedrab, but olivedrab (#6B8E23) is the closest CSS named color.

#37A137 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #37A137

Not just a swatch — here's how #37A137 works with other colors. Named schemes with #37A137 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #37A137 Secondary #4C6B3B Accent #AD6B00 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 #37A137 Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #193648

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 #37A137 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F 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 #37A137 Secondary #AD6B00 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 #37A137 Secondary #9DBD9A 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 #37A137 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 47/100

Neutral

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 39/100

Low

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

Naturalness 65/100

High

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

Vintage feel 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 67/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 82/100

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 62/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #37A137

For UI

For branding

For interior

For fashion

People also use #37A137 with

Apple Green Jade Green Byzantine 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 #D7ECD7 for cards and hover fills. Tint 80

Avoid beside #37A05A — 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 #37A137 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: #37A137;
  --color-base-rgb: 55 161 55;
  --color-base-oklch: oklch(62.6% 0.174 143.1);
  --color-50: #F3FBF3;
  --color-100: #E0F5E0;
  --color-200: #C2EAC2;
  --color-300: #98D798;
  --color-400: #70C270;
  --color-500: #4FA64F;
  --color-600: #427F42;
  --color-700: #345B34;
  --color-800: #253C25;
  --color-900: #182518;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  shamrock-green: {
    50: '#F3FBF3',
    100: '#E0F5E0',
    200: '#C2EAC2',
    300: '#98D798',
    400: '#70C270',
    500: '#4FA64F',
    600: '#427F42',
    700: '#345B34',
    800: '#253C25',
    900: '#182518',
  },
}

$base: #37A137;
$base-ink: #141310;
$base-50: #F3FBF3;
$base-100: #E0F5E0;
$base-200: #C2EAC2;
$base-300: #98D798;
$base-400: #70C270;
$base-500: #4FA64F;
$base-600: #427F42;
$base-700: #345B34;
$base-800: #253C25;
$base-900: #182518;
$base-hover: #2C802C;
$base-subtle: #C2E3C2;

{
    "color": {
        "base": {
            "value": "#37A137",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBF3",
                "type": "color"
            },
            "100": {
                "value": "#E0F5E0",
                "type": "color"
            },
            "200": {
                "value": "#C2EAC2",
                "type": "color"
            },
            "300": {
                "value": "#98D798",
                "type": "color"
            },
            "400": {
                "value": "#70C270",
                "type": "color"
            },
            "500": {
                "value": "#4FA64F",
                "type": "color"
            },
            "600": {
                "value": "#427F42",
                "type": "color"
            },
            "700": {
                "value": "#345B34",
                "type": "color"
            },
            "800": {
                "value": "#253C25",
                "type": "color"
            },
            "900": {
                "value": "#182518",
                "type": "color"
            }
        }
    }
}

Palettes built on #37A137

Color Lab

Pairs with #37A137

UI roles & guardrails

In real applications

Scales

Every model

Export