What color is #51EC22?

#51EC22 is a medium, vivid green. In RGB it is rgb(81, 236, 34), and in HSL hsl(106, 84%, 53%).

Is #51EC22 accessible as text?

On white, #51EC22 has a contrast ratio of 1.57:1 (fails WCAG AA for body text); on black it is 13.37:1 (passes). For text placed on #51EC22, use black for the best readability.

What is the closest Tailwind color to #51EC22?

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

What colors go well with #51EC22?

#51EC22 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BD22EC. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #51EC22 below.

Is #51EC22 good for buttons?

#51EC22 works well for buttons and highlights, but use black text on #51EC22 — white text only reaches 1.57:1, below the 4.5:1 needed for normal-size labels.

Is #51EC22 the same as CSS lime?

No — #51EC22 is not the CSS named color lime, but lime (#00FF00) is the closest CSS named color.

#51EC22 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #51EC22

Not just a swatch — here's how #51EC22 works with other colors. Named schemes with #51EC22 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #51EC22 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #8EFF71

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 #51EC22 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 #51EC22 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 #51EC22 Secondary #D5FFCB 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 #51EC22 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 #51EC22 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 50/100

Neutral

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

Softness 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 19/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 5/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 4/100

Very low

Clean and current — no dusty, aged cast.

Luxury 20/100

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 12/100

Very low

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

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 43/100

Moderate

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

Pairs with #51EC22

For UI

For branding

For interior

For fashion

People also use #51EC22 with

Pear Spring Green Dark 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 11.8:1. Use

Subtle surface Use #DFF6D9 for cards and hover fills. Tint 80

Avoid beside #22EC37 — 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 #51EC22 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: #51EC22;
  --color-base-rgb: 81 236 34;
  --color-base-oklch: oklch(82.8% 0.258 140.2);
  --color-50: #F4FEF0;
  --color-100: #E1FDD8;
  --color-200: #C4F8B4;
  --color-300: #9BEE81;
  --color-400: #74DF53;
  --color-500: #53C430;
  --color-600: #45952D;
  --color-700: #356925;
  --color-800: #26451C;
  --color-900: #192A13;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  neon-green: {
    50: '#F4FEF0',
    100: '#E1FDD8',
    200: '#C4F8B4',
    300: '#9BEE81',
    400: '#74DF53',
    500: '#53C430',
    600: '#45952D',
    700: '#356925',
    800: '#26451C',
    900: '#192A13',
  },
}

$base: #51EC22;
$base-ink: #141310;
$base-50: #F4FEF0;
$base-100: #E1FDD8;
$base-200: #C4F8B4;
$base-300: #9BEE81;
$base-400: #74DF53;
$base-500: #53C430;
$base-600: #45952D;
$base-700: #356925;
$base-800: #26451C;
$base-900: #192A13;
$base-hover: #3CC711;
$base-subtle: #CFF2C4;

{
    "color": {
        "base": {
            "value": "#51EC22",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FEF0",
                "type": "color"
            },
            "100": {
                "value": "#E1FDD8",
                "type": "color"
            },
            "200": {
                "value": "#C4F8B4",
                "type": "color"
            },
            "300": {
                "value": "#9BEE81",
                "type": "color"
            },
            "400": {
                "value": "#74DF53",
                "type": "color"
            },
            "500": {
                "value": "#53C430",
                "type": "color"
            },
            "600": {
                "value": "#45952D",
                "type": "color"
            },
            "700": {
                "value": "#356925",
                "type": "color"
            },
            "800": {
                "value": "#26451C",
                "type": "color"
            },
            "900": {
                "value": "#192A13",
                "type": "color"
            }
        }
    }
}

Palettes built on #51EC22

Color Lab

Pairs with #51EC22

UI roles & guardrails

In real applications

Scales

Every model

Export