What color is #40A69D?

#40A69D is a medium teal. In RGB it is rgb(64, 166, 157), and in HSL hsl(175, 44%, 45%).

Is #40A69D accessible as text?

On white, #40A69D has a contrast ratio of 2.93:1 (fails WCAG AA for body text); on black it is 7.16:1 (passes). For text placed on #40A69D, use black for the best readability.

What is the closest Tailwind color to #40A69D?

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

What colors go well with #40A69D?

#40A69D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A54049. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #40A69D below.

Is #40A69D good for buttons?

#40A69D works well for buttons and highlights, but use black text on #40A69D — white text only reaches 2.93:1, below the 4.5:1 needed for normal-size labels.

Is #40A69D the same as CSS cadetblue?

No — #40A69D is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#40A69D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #40A69D

Not just a swatch — here's how #40A69D works with other colors. Named schemes with #40A69D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #40A69D Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Persian 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 #40A69D Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #40A69D Secondary #A8C6C2 Support #979286 Ink #16140F

Persian 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 Persian Green carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #40A69D Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #74CBC2

Persian 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 Persian Green.

Modern Café Dominant · 5 colors

Dominant #40A69D Anchor #382B1E Surface #ECE4D0 Accent #829C71 Secondary #3A3833

Persian Green anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #40A69D 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 29/100

Cool

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

Softness 56/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 33/100

Low

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

Naturalness 25/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 53/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 41/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 36/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 67/100

High

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

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #40A69D

For UI

For branding

For interior

For fashion

People also use #40A69D with

Medium Sea Green Steel Blue Chestnut 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 6.3:1. Use

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

Avoid beside #408CA5 — 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 #40A69D at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #40A69D;
  --color-base-rgb: 64 166 157;
  --color-base-oklch: oklch(66.4% 0.094 187.1);
  --color-50: #F4FBFA;
  --color-100: #E1F4F3;
  --color-200: #C4E8E5;
  --color-300: #9BD4CF;
  --color-400: #75BDB7;
  --color-500: #54A19B;
  --color-600: #467C78;
  --color-700: #365956;
  --color-800: #263B39;
  --color-900: #192524;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  persian-green: {
    50: '#F4FBFA',
    100: '#E1F4F3',
    200: '#C4E8E5',
    300: '#9BD4CF',
    400: '#75BDB7',
    500: '#54A19B',
    600: '#467C78',
    700: '#365956',
    800: '#263B39',
    900: '#192524',
  },
}

$base: #40A69D;
$base-ink: #141310;
$base-50: #F4FBFA;
$base-100: #E1F4F3;
$base-200: #C4E8E5;
$base-300: #9BD4CF;
$base-400: #75BDB7;
$base-500: #54A19B;
$base-600: #467C78;
$base-700: #365956;
$base-800: #263B39;
$base-900: #192524;
$base-hover: #33847D;
$base-subtle: #C7E3E1;

{
    "color": {
        "base": {
            "value": "#40A69D",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBFA",
                "type": "color"
            },
            "100": {
                "value": "#E1F4F3",
                "type": "color"
            },
            "200": {
                "value": "#C4E8E5",
                "type": "color"
            },
            "300": {
                "value": "#9BD4CF",
                "type": "color"
            },
            "400": {
                "value": "#75BDB7",
                "type": "color"
            },
            "500": {
                "value": "#54A19B",
                "type": "color"
            },
            "600": {
                "value": "#467C78",
                "type": "color"
            },
            "700": {
                "value": "#365956",
                "type": "color"
            },
            "800": {
                "value": "#263B39",
                "type": "color"
            },
            "900": {
                "value": "#192524",
                "type": "color"
            }
        }
    }
}

Palettes built on #40A69D

Color Lab

Pairs with #40A69D

UI roles & guardrails

In real applications

Scales

Every model

Export