What color is #40F6BF?

#40F6BF is a medium, vivid teal-green. In RGB it is rgb(64, 246, 191), and in HSL hsl(162, 91%, 61%).

Is #40F6BF accessible as text?

On white, #40F6BF has a contrast ratio of 1.39:1 (fails WCAG AA for body text); on black it is 15.15:1 (passes). For text placed on #40F6BF, use black for the best readability.

What is the closest Tailwind color to #40F6BF?

The nearest Tailwind CSS token is emerald-300 (#5EE9B5).

What colors go well with #40F6BF?

#40F6BF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #F64177. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #40F6BF below.

Is #40F6BF good for buttons?

#40F6BF works well for buttons and highlights, but use black text on #40F6BF — white text only reaches 1.39:1, below the 4.5:1 needed for normal-size labels.

Is #40F6BF the same as CSS aquamarine?

No — #40F6BF is not the CSS named color aquamarine, but aquamarine (#7FFFD4) is the closest CSS named color.

#40F6BF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #40F6BF

Not just a swatch — here's how #40F6BF works with other colors. Named schemes with #40F6BF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #40F6BF Accent #A7C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3549

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 #40F6BF Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Aquamarine 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 #F7F4EF Accent #40F6BF Secondary #D6FFF2 Support #989286 Ink #16140F

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 Aquamarine carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #40F6BF Surface #13161A Highlight #F4F6F8 Secondary #586771 Accent #88FFE6

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

Modern Café Dominant · 5 colors

Dominant #40F6BF Anchor #382B1E Surface #ECE4D0 Accent #849C6F Secondary #3A3833

Aquamarine 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 #40F6BF 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 28/100

Cool

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

Softness 59/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 13/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 45/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 18/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 63/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 13/100

Very low

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

Surface fit 43/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 69/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #40F6BF

For UI

For branding

For interior

For fashion

People also use #40F6BF with

Spring Green Deep Sky 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 13.4:1. Use

Subtle surface Use #DEF8F0 for cards and hover fills. Tint 80

Avoid beside #41F0F6 — 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 #40F6BF 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: #40F6BF;
  --color-base-rgb: 64 246 191;
  --color-base-oklch: oklch(87.1% 0.163 167.6);
  --color-50: #F0FEFA;
  --color-100: #D8FDF2;
  --color-200: #B1FBE5;
  --color-300: #7DF2CF;
  --color-400: #4EE4B7;
  --color-500: #2ACB9A;
  --color-600: #289A78;
  --color-700: #236C56;
  --color-800: #1B4639;
  --color-900: #122B24;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  aquamarine: {
    50: '#F0FEFA',
    100: '#D8FDF2',
    200: '#B1FBE5',
    300: '#7DF2CF',
    400: '#4EE4B7',
    500: '#2ACB9A',
    600: '#289A78',
    700: '#236C56',
    800: '#1B4639',
    900: '#122B24',
  },
}

$base: #40F6BF;
$base-ink: #141310;
$base-50: #F0FEFA;
$base-100: #D8FDF2;
$base-200: #B1FBE5;
$base-300: #7DF2CF;
$base-400: #4EE4B7;
$base-500: #2ACB9A;
$base-600: #289A78;
$base-700: #236C56;
$base-800: #1B4639;
$base-900: #122B24;
$base-hover: #0BEEAA;
$base-subtle: #CDF6E9;

{
    "color": {
        "base": {
            "value": "#40F6BF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFA",
                "type": "color"
            },
            "100": {
                "value": "#D8FDF2",
                "type": "color"
            },
            "200": {
                "value": "#B1FBE5",
                "type": "color"
            },
            "300": {
                "value": "#7DF2CF",
                "type": "color"
            },
            "400": {
                "value": "#4EE4B7",
                "type": "color"
            },
            "500": {
                "value": "#2ACB9A",
                "type": "color"
            },
            "600": {
                "value": "#289A78",
                "type": "color"
            },
            "700": {
                "value": "#236C56",
                "type": "color"
            },
            "800": {
                "value": "#1B4639",
                "type": "color"
            },
            "900": {
                "value": "#122B24",
                "type": "color"
            }
        }
    }
}

Palettes built on #40F6BF

Color Lab

Pairs with #40F6BF

UI roles & guardrails

In real applications

Scales

Every model

Export