What color is #99DF02?

#99DF02 is a medium, vivid lime green. In RGB it is rgb(153, 223, 2), and in HSL hsl(79, 98%, 44%).

Is #99DF02 accessible as text?

On white, #99DF02 has a contrast ratio of 1.63:1 (fails WCAG AA for body text); on black it is 12.91:1 (passes). For text placed on #99DF02, use black for the best readability.

What is the closest Tailwind color to #99DF02?

The nearest Tailwind CSS token is lime-400 (#9AE600).

What colors go well with #99DF02?

#99DF02 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4802DE. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #99DF02 below.

Is #99DF02 good for buttons?

#99DF02 works well for buttons and highlights, but use black text on #99DF02 — white text only reaches 1.63:1, below the 4.5:1 needed for normal-size labels.

Is #99DF02 the same as CSS yellowgreen?

No — #99DF02 is not the CSS named color yellowgreen, but yellowgreen (#9ACD32) is the closest CSS named color.

#99DF02 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #99DF02

Not just a swatch — here's how #99DF02 works with other colors. Named schemes with #99DF02 in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #99DF02 Secondary #E27534 Accent #DCA525 Anchor #5F394A Surface #F2EAD6

Yellow Green glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Japanese Sand Base · 5 colors

Base #99DF02 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Yellow 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 #99DF02 Secondary #AF6A00 Accent #6A7B4B Surface #F2ECDD Anchor #3A2B1E

This palette keeps Yellow 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 #99DF02 Secondary #E4FEC8 Support #999286 Ink #17140F

Yellow 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 Yellow Green carrying the quiet middle.

Luxury Packaging Feature · 5 colors

Feature #99DF02 Anchor #141210 Accent #C3A54B Secondary #262B20 Surface #F2EDE3

Yellow Green carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

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Color Lab

How #99DF02 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 60/100

Neutral

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

Softness 47/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 19/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 22/100

Low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 15/100

Very low

Clean and current — no dusty, aged cast.

Luxury 21/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 84/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 17/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 38/100

Low

Usable as a tinted surface in measured doses.

Print safety 53/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #99DF02

For UI

For branding

For interior

For fashion

People also use #99DF02 with

Amber Malachite Grape Platinum Army Green

UI roles & guardrails

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

Body text Do not use for body copy on light surfaces. Avoid

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 11.4:1. Use

Subtle surface Use #EAF7CE for cards and hover fills. Tint 80

Avoid beside #4FDE02 — 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 #99DF02 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: #99DF02;
  --color-base-rgb: 153 223 2;
  --color-base-oklch: oklch(82.5% 0.218 128.9);
  --color-50: #FAFEF0;
  --color-100: #F1FDD8;
  --color-200: #E4FCB1;
  --color-300: #CFF778;
  --color-400: #B7EA48;
  --color-500: #9AD124;
  --color-600: #779E24;
  --color-700: #566F20;
  --color-800: #394819;
  --color-900: #232C11;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  yellow-green: {
    50: '#FAFEF0',
    100: '#F1FDD8',
    200: '#E4FCB1',
    300: '#CFF778',
    400: '#B7EA48',
    500: '#9AD124',
    600: '#779E24',
    700: '#566F20',
    800: '#394819',
    900: '#232C11',
  },
}

$base: #99DF02;
$base-ink: #141310;
$base-50: #FAFEF0;
$base-100: #F1FDD8;
$base-200: #E4FCB1;
$base-300: #CFF778;
$base-400: #B7EA48;
$base-500: #9AD124;
$base-600: #779E24;
$base-700: #566F20;
$base-800: #394819;
$base-900: #232C11;
$base-hover: #7AB202;
$base-subtle: #E0F4B4;

{
    "color": {
        "base": {
            "value": "#99DF02",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAFEF0",
                "type": "color"
            },
            "100": {
                "value": "#F1FDD8",
                "type": "color"
            },
            "200": {
                "value": "#E4FCB1",
                "type": "color"
            },
            "300": {
                "value": "#CFF778",
                "type": "color"
            },
            "400": {
                "value": "#B7EA48",
                "type": "color"
            },
            "500": {
                "value": "#9AD124",
                "type": "color"
            },
            "600": {
                "value": "#779E24",
                "type": "color"
            },
            "700": {
                "value": "#566F20",
                "type": "color"
            },
            "800": {
                "value": "#394819",
                "type": "color"
            },
            "900": {
                "value": "#232C11",
                "type": "color"
            }
        }
    }
}

Palettes built on #99DF02

Color Lab

Pairs with #99DF02

UI roles & guardrails

In real applications

Scales

Every model

Export