What color is #03A511?

#03A511 is a dark, vivid green. In RGB it is rgb(3, 165, 17), and in HSL hsl(125, 96%, 33%).

Is #03A511 accessible as text?

On white, #03A511 has a contrast ratio of 3.28:1 (fails WCAG AA for body text); on black it is 6.39:1 (passes). For text placed on #03A511, use black for the best readability.

What is the closest Tailwind color to #03A511?

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

What colors go well with #03A511?

#03A511 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A50397. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #03A511 below.

Is #03A511 good for buttons?

#03A511 works well for buttons and highlights, but use black text on #03A511 — white text only reaches 3.28:1, below the 4.5:1 needed for normal-size labels.

Is #03A511 the same as CSS forestgreen?

No — #03A511 is not the CSS named color forestgreen, but forestgreen (#228B22) is the closest CSS named color.

#03A511 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #03A511

Not just a swatch — here's how #03A511 works with other colors. Named schemes with #03A511 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #03A511 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #58C955

Kelly Green is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Kelly Green.

Japanese Sand Base · 5 colors

Base #03A511 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Kelly 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.

Botanical Studio Lead · 5 colors

Lead #03A511 Secondary #4C6B3B Accent #AD6B00 Surface #EEEAD6 Anchor #3C2F20

Kelly Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #03A511 Secondary #98C095 Support #989286 Ink #17140F

Kelly 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 Kelly Green carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #03A511 Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #193648

Kelly Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

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Color Lab

How #03A511 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 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 40/100

Moderate

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

Naturalness 29/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 25/100

Low

Clean and current — no dusty, aged cast.

Luxury 40/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 81/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 71/100

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 54/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #03A511

For UI

For branding

For interior

For fashion

People also use #03A511 with

Lime Green Jade Green Dark Magenta 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 5.7:1. Use

Subtle surface Use #C5F4C9 for cards and hover fills. Tint 80

Avoid beside #03A547 — 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 #03A511 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: #03A511;
  --color-base-rgb: 3 165 17;
  --color-base-oklch: oklch(62.6% 0.209 143.0);
  --color-50: #F0FEF1;
  --color-100: #D8FDDB;
  --color-200: #B1FCB7;
  --color-300: #7AF684;
  --color-400: #4AE857;
  --color-500: #26CF34;
  --color-600: #259D2F;
  --color-700: #216E27;
  --color-800: #19481D;
  --color-900: #122C14;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  kelly-green: {
    50: '#F0FEF1',
    100: '#D8FDDB',
    200: '#B1FCB7',
    300: '#7AF684',
    400: '#4AE857',
    500: '#26CF34',
    600: '#259D2F',
    700: '#216E27',
    800: '#19481D',
    900: '#122C14',
  },
}

$base: #03A511;
$base-ink: #141310;
$base-50: #F0FEF1;
$base-100: #D8FDDB;
$base-200: #B1FCB7;
$base-300: #7AF684;
$base-400: #4AE857;
$base-500: #26CF34;
$base-600: #259D2F;
$base-700: #216E27;
$base-800: #19481D;
$base-900: #122C14;
$base-hover: #03840D;
$base-subtle: #A6F1AD;

{
    "color": {
        "base": {
            "value": "#03A511",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF1",
                "type": "color"
            },
            "100": {
                "value": "#D8FDDB",
                "type": "color"
            },
            "200": {
                "value": "#B1FCB7",
                "type": "color"
            },
            "300": {
                "value": "#7AF684",
                "type": "color"
            },
            "400": {
                "value": "#4AE857",
                "type": "color"
            },
            "500": {
                "value": "#26CF34",
                "type": "color"
            },
            "600": {
                "value": "#259D2F",
                "type": "color"
            },
            "700": {
                "value": "#216E27",
                "type": "color"
            },
            "800": {
                "value": "#19481D",
                "type": "color"
            },
            "900": {
                "value": "#122C14",
                "type": "color"
            }
        }
    }
}

Palettes built on #03A511

Color Lab

Pairs with #03A511

UI roles & guardrails

In real applications

Scales

Every model

Export