What color is #51A997?

#51A997 is a medium teal. In RGB it is rgb(81, 169, 151), and in HSL hsl(168, 35%, 49%).

Is #51A997 accessible as text?

On white, #51A997 has a contrast ratio of 2.81:1 (fails WCAG AA for body text); on black it is 7.47:1 (passes). For text placed on #51A997, use black for the best readability.

What is the closest Tailwind color to #51A997?

The nearest Tailwind CSS token is teal-500 (#00BBA7).

What colors go well with #51A997?

#51A997 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A95163. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #51A997 below.

Is #51A997 good for buttons?

#51A997 works well for buttons and highlights, but use black text on #51A997 — white text only reaches 2.81:1, below the 4.5:1 needed for normal-size labels.

Is #51A997 the same as CSS lightseagreen?

No — #51A997 is not the CSS named color lightseagreen, but lightseagreen (#20B2AA) is the closest CSS named color.

#51A997 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #51A997

Not just a swatch — here's how #51A997 works with other colors. Named schemes with #51A997 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #51A997 Secondary #AEB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2D3236

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

Japanese Sand Base · 5 colors

Base #51A997 Surface #EDEADC Highlight #F5F1E7 Secondary #B5B19F Ink #2A2723

Light Sea 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.

Coastal Morning Lead · 5 colors

Lead #51A997 Accent #A7C4BC Surface #E0D9BE Secondary #9AA0A0 Anchor #1C3549

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #51A997 Secondary #AECAC3 Support #979286 Ink #16140F

Light Sea 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 Light Sea Green carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #51A997 Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #81CEBC

Light Sea 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 Light Sea Green.

Build a working theme in the generator →

Color Lab

How #51A997 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 34/100

Cool

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

Softness 57/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 32/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 39/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 55/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 40/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 62/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #51A997

For UI

For branding

For interior

For fashion

People also use #51A997 with

Medium Sea Green Air Force Blue Mauve Taupe Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

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 6.6:1. Use

Subtle surface Use #DEECE9 for cards and hover fills. Tint 80

Avoid beside #519DA9 — 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 #51A997 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: #51A997;
  --color-base-rgb: 81 169 151;
  --color-base-oklch: oklch(67.5% 0.089 178.2);
  --color-50: #F4FAF9;
  --color-100: #E3F2EF;
  --color-200: #C8E4DF;
  --color-300: #A1CEC5;
  --color-400: #7CB6AA;
  --color-500: #5C998D;
  --color-600: #4B776E;
  --color-700: #395650;
  --color-800: #283935;
  --color-900: #1A2321;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-sea-green: {
    50: '#F4FAF9',
    100: '#E3F2EF',
    200: '#C8E4DF',
    300: '#A1CEC5',
    400: '#7CB6AA',
    500: '#5C998D',
    600: '#4B776E',
    700: '#395650',
    800: '#283935',
    900: '#1A2321',
  },
}

$base: #51A997;
$base-ink: #141310;
$base-50: #F4FAF9;
$base-100: #E3F2EF;
$base-200: #C8E4DF;
$base-300: #A1CEC5;
$base-400: #7CB6AA;
$base-500: #5C998D;
$base-600: #4B776E;
$base-700: #395650;
$base-800: #283935;
$base-900: #1A2321;
$base-hover: #418779;
$base-subtle: #CEE2DE;

{
    "color": {
        "base": {
            "value": "#51A997",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAF9",
                "type": "color"
            },
            "100": {
                "value": "#E3F2EF",
                "type": "color"
            },
            "200": {
                "value": "#C8E4DF",
                "type": "color"
            },
            "300": {
                "value": "#A1CEC5",
                "type": "color"
            },
            "400": {
                "value": "#7CB6AA",
                "type": "color"
            },
            "500": {
                "value": "#5C998D",
                "type": "color"
            },
            "600": {
                "value": "#4B776E",
                "type": "color"
            },
            "700": {
                "value": "#395650",
                "type": "color"
            },
            "800": {
                "value": "#283935",
                "type": "color"
            },
            "900": {
                "value": "#1A2321",
                "type": "color"
            }
        }
    }
}

Palettes built on #51A997

Color Lab

Pairs with #51A997

UI roles & guardrails

In real applications

Scales

Every model

Export