What color is #ACFF5A?

#ACFF5A is a light, vivid green. In RGB it is rgb(172, 255, 90), and in HSL hsl(90, 100%, 68%).

Is #ACFF5A accessible as text?

On white, #ACFF5A has a contrast ratio of 1.22:1 (fails WCAG AA for body text); on black it is 17.21:1 (passes). For text placed on #ACFF5A, use black for the best readability.

What is the closest Tailwind color to #ACFF5A?

The nearest Tailwind CSS token is lime-300 (#BBF451).

What colors go well with #ACFF5A?

#ACFF5A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #AD5CFF. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #ACFF5A below.

Is #ACFF5A good for buttons?

#ACFF5A works well for buttons and highlights, but use black text on #ACFF5A — white text only reaches 1.22:1, below the 4.5:1 needed for normal-size labels.

Is #ACFF5A the same as CSS greenyellow?

No — #ACFF5A is not the CSS named color greenyellow, but greenyellow (#ADFF2F) is the closest CSS named color.

#ACFF5A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #ACFF5A

Not just a swatch — here's how #ACFF5A works with other colors. Named schemes with #ACFF5A in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #ACFF5A Secondary #E27633 Accent #DBA524 Anchor #5F3949 Surface #F2EAD6

Green Yellow 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 #ACFF5A Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Green Yellow 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 #ACFF5A Secondary #AE6B00 Accent #6A7B4B Surface #F2ECDD Anchor #3A2B1E

This palette keeps Green Yellow 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 #ACFF5A Secondary #E8FFD2 Support #999286 Ink #17140F

Green Yellow 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 Green Yellow carrying the quiet middle.

Luxury Packaging Feature · 5 colors

Feature #ACFF5A Anchor #141210 Accent #C2A54B Secondary #252B21 Surface #F2EDE3

Green Yellow 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 #ACFF5A 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 57/100

Neutral

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

Softness 53/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 9/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 28/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 13/100

Very low

Clean and current — no dusty, aged cast.

Luxury 12/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 81/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 6/100

Very low

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

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 54/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #ACFF5A

For UI

For branding

For interior

For fashion

People also use #ACFF5A with

Butter Yellow Spring Green Medium Purple 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 15.2:1. Use

Subtle surface Use #EFFAE3 for cards and hover fills. Tint 80

Avoid beside #77FF5C — 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 #ACFF5A 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: #ACFF5A;
  --color-base-rgb: 172 255 90;
  --color-base-oklch: oklch(91.5% 0.211 132.2);
  --color-50: #F7FEF0;
  --color-100: #EBFDD8;
  --color-200: #D6FCB1;
  --color-300: #B8F877;
  --color-400: #99EC46;
  --color-500: #7AD222;
  --color-600: #619F23;
  --color-700: #47701F;
  --color-800: #304818;
  --color-900: #1F2C11;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  green-yellow: {
    50: '#F7FEF0',
    100: '#EBFDD8',
    200: '#D6FCB1',
    300: '#B8F877',
    400: '#99EC46',
    500: '#7AD222',
    600: '#619F23',
    700: '#47701F',
    800: '#304818',
    900: '#1F2C11',
  },
}

$base: #ACFF5A;
$base-ink: #141310;
$base-50: #F7FEF0;
$base-100: #EBFDD8;
$base-200: #D6FCB1;
$base-300: #B8F877;
$base-400: #99EC46;
$base-500: #7AD222;
$base-600: #619F23;
$base-700: #47701F;
$base-800: #304818;
$base-900: #1F2C11;
$base-hover: #8BFF16;
$base-subtle: #E7F9D4;

{
    "color": {
        "base": {
            "value": "#ACFF5A",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7FEF0",
                "type": "color"
            },
            "100": {
                "value": "#EBFDD8",
                "type": "color"
            },
            "200": {
                "value": "#D6FCB1",
                "type": "color"
            },
            "300": {
                "value": "#B8F877",
                "type": "color"
            },
            "400": {
                "value": "#99EC46",
                "type": "color"
            },
            "500": {
                "value": "#7AD222",
                "type": "color"
            },
            "600": {
                "value": "#619F23",
                "type": "color"
            },
            "700": {
                "value": "#47701F",
                "type": "color"
            },
            "800": {
                "value": "#304818",
                "type": "color"
            },
            "900": {
                "value": "#1F2C11",
                "type": "color"
            }
        }
    }
}

Palettes built on #ACFF5A

Color Lab

Pairs with #ACFF5A

UI roles & guardrails

In real applications

Scales

Every model

Export