What color is #51D6A8?

#51D6A8 is a medium teal-green. In RGB it is rgb(81, 214, 168), and in HSL hsl(159, 62%, 58%).

Is #51D6A8 accessible as text?

On white, #51D6A8 has a contrast ratio of 1.82:1 (fails WCAG AA for body text); on black it is 11.53:1 (passes). For text placed on #51D6A8, use black for the best readability.

What is the closest Tailwind color to #51D6A8?

The nearest Tailwind CSS token is teal-400 (#00D5BE).

What colors go well with #51D6A8?

#51D6A8 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D65180. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #51D6A8 below.

Is #51D6A8 good for buttons?

#51D6A8 works well for buttons and highlights, but use black text on #51D6A8 — white text only reaches 1.82:1, below the 4.5:1 needed for normal-size labels.

Is #51D6A8 the same as CSS mediumaquamarine?

No — #51D6A8 is not the CSS named color mediumaquamarine, but mediumaquamarine (#66CDAA) is the closest CSS named color.

#51D6A8 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #51D6A8

Not just a swatch — here's how #51D6A8 works with other colors. Named schemes with #51D6A8 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #51D6A8 Accent #A7C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3549

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

Nordic Calm Accent · 5 colors

Accent #51D6A8 Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

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

Warm Autumn Interior Dominant · 5 colors

Dominant #51D6A8 Secondary #AB6D00 Accent #657D4E Surface #F1EDDD Anchor #392B1E

This palette keeps Medium Aquamarine as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Botanical Studio Lead · 5 colors

Lead #51D6A8 Secondary #496C3E Accent #AB6D00 Surface #EEEAD6 Anchor #3C2F20

Medium Aquamarine 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 #51D6A8 Secondary #CBF3E1 Support #989286 Ink #16140F

Medium Aquamarine 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 Medium Aquamarine carrying the quiet middle.

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Color Lab

How #51D6A8 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 32/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 59/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 21/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 63/100

High

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 28/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 52/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 31/100

Low

Workable accent with care around contrast.

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #51D6A8

For UI

For branding

For interior

For fashion

People also use #51D6A8 with

Light Green Lagoon Blue Blush Pink Platinum Dark Slate Gray

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 10.2:1. Use

Subtle surface Use #E0F3EC for cards and hover fills. Tint 80

Avoid beside #51D6D4 — 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 #51D6A8 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: #51D6A8;
  --color-base-rgb: 81 214 168;
  --color-base-oklch: oklch(79.1% 0.134 166.7);
  --color-50: #F2FDF9;
  --color-100: #DDF8EF;
  --color-200: #BDEFDE;
  --color-300: #90E0C4;
  --color-400: #66CCA8;
  --color-500: #44B18B;
  --color-600: #3A876C;
  --color-700: #2E604F;
  --color-800: #223F35;
  --color-900: #162721;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-aquamarine: {
    50: '#F2FDF9',
    100: '#DDF8EF',
    200: '#BDEFDE',
    300: '#90E0C4',
    400: '#66CCA8',
    500: '#44B18B',
    600: '#3A876C',
    700: '#2E604F',
    800: '#223F35',
    900: '#162721',
  },
}

$base: #51D6A8;
$base-ink: #141310;
$base-50: #F2FDF9;
$base-100: #DDF8EF;
$base-200: #BDEFDE;
$base-300: #90E0C4;
$base-400: #66CCA8;
$base-500: #44B18B;
$base-600: #3A876C;
$base-700: #2E604F;
$base-800: #223F35;
$base-900: #162721;
$base-hover: #2DC08C;
$base-subtle: #D0EEE3;

{
    "color": {
        "base": {
            "value": "#51D6A8",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDF9",
                "type": "color"
            },
            "100": {
                "value": "#DDF8EF",
                "type": "color"
            },
            "200": {
                "value": "#BDEFDE",
                "type": "color"
            },
            "300": {
                "value": "#90E0C4",
                "type": "color"
            },
            "400": {
                "value": "#66CCA8",
                "type": "color"
            },
            "500": {
                "value": "#44B18B",
                "type": "color"
            },
            "600": {
                "value": "#3A876C",
                "type": "color"
            },
            "700": {
                "value": "#2E604F",
                "type": "color"
            },
            "800": {
                "value": "#223F35",
                "type": "color"
            },
            "900": {
                "value": "#162721",
                "type": "color"
            }
        }
    }
}