What color is #4EF623?

#4EF623 is a medium, vivid green. In RGB it is rgb(78, 246, 35), and in HSL hsl(108, 92%, 55%).

Is #4EF623 accessible as text?

On white, #4EF623 has a contrast ratio of 1.45:1 (fails WCAG AA for body text); on black it is 14.53:1 (passes). For text placed on #4EF623, use black for the best readability.

What is the closest Tailwind color to #4EF623?

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

What colors go well with #4EF623?

#4EF623 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CC23F6. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4EF623 below.

Is #4EF623 good for buttons?

#4EF623 works well for buttons and highlights, but use black text on #4EF623 — white text only reaches 1.45:1, below the 4.5:1 needed for normal-size labels.

Is #4EF623 the same as CSS lime?

No — #4EF623 is not the CSS named color lime, but lime (#00FF00) is the closest CSS named color.

#4EF623 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4EF623

Not just a swatch — here's how #4EF623 works with other colors. Named schemes with #4EF623 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #4EF623 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #8FFF75

Neon 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 Neon Green.

Japanese Sand Base · 5 colors

Base #4EF623 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Neon 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 #4EF623 Secondary #4D6B3B Accent #AE6B00 Surface #EFEAD6 Anchor #3C2F21

Neon 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 #4EF623 Secondary #D8FFCF Support #989286 Ink #17140F

Neon 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 Neon Green carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #4EF623 Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #193648

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

Build a working theme in the generator →

Color Lab

How #4EF623 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 49/100

Neutral

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

Softness 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 17/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 3/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 1/100

Very low

Clean and current — no dusty, aged cast.

Luxury 17/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 100/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 8/100

Very low

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

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 40/100

Moderate

Shifts noticeably in CMYK — expect it to dull on press.

Pairs with #4EF623

For UI

For branding

For interior

For fashion

People also use #4EF623 with

Electric Lime Spring Green Medium Orchid Platinum Hunter 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 12.9:1. Use

Subtle surface Use #DFF7D9 for cards and hover fills. Tint 80

Avoid beside #23F63F — 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 #4EF623 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: #4EF623;
  --color-base-rgb: 78 246 35;
  --color-base-oklch: oklch(85.3% 0.269 140.7);
  --color-50: #F3FEF0;
  --color-100: #DFFDD8;
  --color-200: #C0FCB1;
  --color-300: #94F37C;
  --color-400: #6BE54D;
  --color-500: #4ACB29;
  --color-600: #3F9A28;
  --color-700: #316D22;
  --color-800: #23471A;
  --color-900: #172B12;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  neon-green: {
    50: '#F3FEF0',
    100: '#DFFDD8',
    200: '#C0FCB1',
    300: '#94F37C',
    400: '#6BE54D',
    500: '#4ACB29',
    600: '#3F9A28',
    700: '#316D22',
    800: '#23471A',
    900: '#172B12',
  },
}

$base: #4EF623;
$base-ink: #141310;
$base-50: #F3FEF0;
$base-100: #DFFDD8;
$base-200: #C0FCB1;
$base-300: #94F37C;
$base-400: #6BE54D;
$base-500: #4ACB29;
$base-600: #3F9A28;
$base-700: #316D22;
$base-800: #23471A;
$base-900: #172B12;
$base-hover: #32D709;
$base-subtle: #CEF5C5;

{
    "color": {
        "base": {
            "value": "#4EF623",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FEF0",
                "type": "color"
            },
            "100": {
                "value": "#DFFDD8",
                "type": "color"
            },
            "200": {
                "value": "#C0FCB1",
                "type": "color"
            },
            "300": {
                "value": "#94F37C",
                "type": "color"
            },
            "400": {
                "value": "#6BE54D",
                "type": "color"
            },
            "500": {
                "value": "#4ACB29",
                "type": "color"
            },
            "600": {
                "value": "#3F9A28",
                "type": "color"
            },
            "700": {
                "value": "#316D22",
                "type": "color"
            },
            "800": {
                "value": "#23471A",
                "type": "color"
            },
            "900": {
                "value": "#172B12",
                "type": "color"
            }
        }
    }
}

Palettes built on #4EF623

Color Lab

Pairs with #4EF623

UI roles & guardrails

In real applications

Scales

Every model

Export