What color is #40B59B?

#40B59B is a medium teal. In RGB it is rgb(64, 181, 155), and in HSL hsl(167, 48%, 48%).

Is #40B59B accessible as text?

On white, #40B59B has a contrast ratio of 2.53:1 (fails WCAG AA for body text); on black it is 8.30:1 (passes). For text placed on #40B59B, use black for the best readability.

What is the closest Tailwind color to #40B59B?

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

What colors go well with #40B59B?

#40B59B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B54059. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #40B59B below.

Is #40B59B good for buttons?

#40B59B works well for buttons and highlights, but use black text on #40B59B — white text only reaches 2.53:1, below the 4.5:1 needed for normal-size labels.

Is #40B59B the same as CSS lightseagreen?

No — #40B59B is not the CSS named color lightseagreen, but lightseagreen (#20B2AA) is the closest CSS named color.

#40B59B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #40B59B

Not just a swatch — here's how #40B59B works with other colors. Named schemes with #40B59B in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #40B59B Accent #A7C4BC Surface #E0D9BE Secondary #9AA0A0 Anchor #1B3549

Light Sea Green 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 #40B59B Secondary #ADB4B7 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.

Warm Autumn Interior Dominant · 5 colors

Dominant #40B59B Secondary #AA6E00 Accent #647D4F Surface #F1EDDD Anchor #392B1E

This palette keeps Light Sea Green 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 #40B59B Secondary #476C40 Accent #AA6E00 Surface #EDEAD6 Anchor #3C2F20

Light Sea 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 #40B59B Secondary #B1D4C9 Support #989286 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.

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Color Lab

How #40B59B 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 31/100

Cool

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

Softness 56/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 30/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 48/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 47/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 38/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 43/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 58/100

Moderate

Workable accent with care around contrast.

Surface fit 38/100

Low

Usable as a tinted surface in measured doses.

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #40B59B

For UI

For branding

For interior

For fashion

People also use #40B59B with

Emerald Green Ocean Blue Viva Magenta 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 7.3:1. Use

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

Avoid beside #40A7B5 — 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 #40B59B 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: #40B59B;
  --color-base-rgb: 64 181 155;
  --color-base-oklch: oklch(70.1% 0.111 175.3);
  --color-50: #F3FBFA;
  --color-100: #E0F5F0;
  --color-200: #C3EAE1;
  --color-300: #99D7C9;
  --color-400: #71C1B0;
  --color-500: #50A592;
  --color-600: #437F72;
  --color-700: #345B52;
  --color-800: #253C37;
  --color-900: #182522;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  light-sea-green: {
    50: '#F3FBFA',
    100: '#E0F5F0',
    200: '#C3EAE1',
    300: '#99D7C9',
    400: '#71C1B0',
    500: '#50A592',
    600: '#437F72',
    700: '#345B52',
    800: '#253C37',
    900: '#182522',
  },
}

$base: #40B59B;
$base-ink: #141310;
$base-50: #F3FBFA;
$base-100: #E0F5F0;
$base-200: #C3EAE1;
$base-300: #99D7C9;
$base-400: #71C1B0;
$base-500: #50A592;
$base-600: #437F72;
$base-700: #345B52;
$base-800: #253C37;
$base-900: #182522;
$base-hover: #33917D;
$base-subtle: #C9E6DF;

{
    "color": {
        "base": {
            "value": "#40B59B",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBFA",
                "type": "color"
            },
            "100": {
                "value": "#E0F5F0",
                "type": "color"
            },
            "200": {
                "value": "#C3EAE1",
                "type": "color"
            },
            "300": {
                "value": "#99D7C9",
                "type": "color"
            },
            "400": {
                "value": "#71C1B0",
                "type": "color"
            },
            "500": {
                "value": "#50A592",
                "type": "color"
            },
            "600": {
                "value": "#437F72",
                "type": "color"
            },
            "700": {
                "value": "#345B52",
                "type": "color"
            },
            "800": {
                "value": "#253C37",
                "type": "color"
            },
            "900": {
                "value": "#182522",
                "type": "color"
            }
        }
    }
}

Palettes built on #40B59B

Color Lab

Pairs with #40B59B

UI roles & guardrails

In real applications

Scales

Every model

Export