What color is #51E175?

#51E175 is a medium, vivid green. In RGB it is rgb(81, 225, 117), and in HSL hsl(135, 71%, 60%).

Is #51E175 accessible as text?

On white, #51E175 has a contrast ratio of 1.70:1 (fails WCAG AA for body text); on black it is 12.38:1 (passes). For text placed on #51E175, use black for the best readability.

What is the closest Tailwind color to #51E175?

The nearest Tailwind CSS token is green-400 (#05DF72).

What colors go well with #51E175?

#51E175 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E151BD. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #51E175 below.

Is #51E175 good for buttons?

#51E175 works well for buttons and highlights, but use black text on #51E175 — white text only reaches 1.70:1, below the 4.5:1 needed for normal-size labels.

Is #51E175 the same as CSS mediumspringgreen?

No — #51E175 is not the CSS named color mediumspringgreen, but mediumspringgreen (#00FA9A) is the closest CSS named color.

#51E175 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #51E175

Not just a swatch — here's how #51E175 works with other colors. Named schemes with #51E175 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #51E175 Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Malachite keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #51E175 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #8DFFA4

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

Botanical Studio Lead · 5 colors

Lead #51E175 Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Malachite 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 #51E175 Secondary #D0FBD5 Support #989286 Ink #17140F

Malachite 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 Malachite carrying the quiet middle.

Japanese Sand Base · 5 colors

Base #51E175 Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Malachite 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.

Build a working theme in the generator →

Color Lab

How #51E175 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 43/100

Neutral

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

Softness 50/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 20/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 41/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 21/100

Low

Clean and current — no dusty, aged cast.

Luxury 24/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 75/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 23/100

Low

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

Surface fit 37/100

Low

Usable as a tinted surface in measured doses.

Print safety 58/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #51E175

For UI

For branding

For interior

For fashion

People also use #51E175 with

Light Green Turquoise Fuchsia 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 10.9:1. Use

Subtle surface Use #E0F5E5 for cards and hover fills. Tint 80

Avoid beside #51E1A5 — 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 #51E175 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: #51E175;
  --color-base-rgb: 81 225 117;
  --color-base-oklch: oklch(80.8% 0.193 148.4);
  --color-50: #F1FDF4;
  --color-100: #DBFAE3;
  --color-200: #B9F3C8;
  --color-300: #8AE5A1;
  --color-400: #5ED47C;
  --color-500: #3CB95B;
  --color-600: #358D4B;
  --color-700: #2B6439;
  --color-800: #1F4228;
  --color-900: #15281A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  malachite: {
    50: '#F1FDF4',
    100: '#DBFAE3',
    200: '#B9F3C8',
    300: '#8AE5A1',
    400: '#5ED47C',
    500: '#3CB95B',
    600: '#358D4B',
    700: '#2B6439',
    800: '#1F4228',
    900: '#15281A',
  },
}

$base: #51E175;
$base-ink: #141310;
$base-50: #F1FDF4;
$base-100: #DBFAE3;
$base-200: #B9F3C8;
$base-300: #8AE5A1;
$base-400: #5ED47C;
$base-500: #3CB95B;
$base-600: #358D4B;
$base-700: #2B6439;
$base-800: #1F4228;
$base-900: #15281A;
$base-hover: #23D14F;
$base-subtle: #D0F1D8;

{
    "color": {
        "base": {
            "value": "#51E175",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FDF4",
                "type": "color"
            },
            "100": {
                "value": "#DBFAE3",
                "type": "color"
            },
            "200": {
                "value": "#B9F3C8",
                "type": "color"
            },
            "300": {
                "value": "#8AE5A1",
                "type": "color"
            },
            "400": {
                "value": "#5ED47C",
                "type": "color"
            },
            "500": {
                "value": "#3CB95B",
                "type": "color"
            },
            "600": {
                "value": "#358D4B",
                "type": "color"
            },
            "700": {
                "value": "#2B6439",
                "type": "color"
            },
            "800": {
                "value": "#1F4228",
                "type": "color"
            },
            "900": {
                "value": "#15281A",
                "type": "color"
            }
        }
    }
}

Palettes built on #51E175

Color Lab

Pairs with #51E175

UI roles & guardrails

In real applications

Scales

Every model

Export