What color is #66CDAA?

Medium Aquamarine (#66CDAA) is a medium teal-green. In RGB it is rgb(102, 205, 170), and in HSL hsl(160, 51%, 60%).

Is #66CDAA accessible as text?

On white, #66CDAA has a contrast ratio of 1.93:1 (fails WCAG AA for body text); on black it is 10.88:1 (passes). For text placed on #66CDAA, use black for the best readability.

What is the closest Tailwind color to #66CDAA?

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

What colors go well with #66CDAA?

#66CDAA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CD6588. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #66CDAA below.

Is Medium Aquamarine good for buttons?

Medium Aquamarine works well for buttons and highlights, but use black text on #66CDAA — white text only reaches 1.93:1, below the 4.5:1 needed for normal-size labels.

Is Medium Aquamarine the same as CSS mediumaquamarine?

Yes — #66CDAA is the CSS named color mediumaquamarine.

Medium Aquamarine (#66CDAA) Color Palette, HEX, RGB & Design Ideas

Palettes built on Medium Aquamarine

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

Coastal Morning Lead · 5 colors

Lead #66CDAA 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 #66CDAA 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 #66CDAA Secondary #AB6D00 Accent #657D4F 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 #66CDAA Secondary #486C3F 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 #66CDAA Secondary #CCECDF 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 Medium Aquamarine 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 62/100

High

Middle-weight — neither delicate nor heavy.

Depth 22/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 62/100

High

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

Vintage feel 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 30/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 42/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 34/100

Low

Workable accent with care around contrast.

Surface fit 45/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with Medium Aquamarine

For UI

For branding

For interior

For fashion

People also use Medium Aquamarine with

Pistachio Iceberg 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 9.6:1. Use

Subtle surface Use #E3F2ED for cards and hover fills. Tint 80

Avoid beside #65CDCD — 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 Medium Aquamarine 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: #66CDAA;
  --color-base-rgb: 102 205 170;
  --color-base-oklch: oklch(77.7% 0.110 168.8);
  --color-50: #F3FCF9;
  --color-100: #E0F6EE;
  --color-200: #C1EBDD;
  --color-300: #97D9C3;
  --color-400: #6FC3A7;
  --color-500: #4EA789;
  --color-600: #41816B;
  --color-700: #335C4E;
  --color-800: #243D35;
  --color-900: #182621;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-aquamarine: {
    50: '#F3FCF9',
    100: '#E0F6EE',
    200: '#C1EBDD',
    300: '#97D9C3',
    400: '#6FC3A7',
    500: '#4EA789',
    600: '#41816B',
    700: '#335C4E',
    800: '#243D35',
    900: '#182621',
  },
}

$base: #66CDAA;
$base-ink: #141310;
$base-50: #F3FCF9;
$base-100: #E0F6EE;
$base-200: #C1EBDD;
$base-300: #97D9C3;
$base-400: #6FC3A7;
$base-500: #4EA789;
$base-600: #41816B;
$base-700: #335C4E;
$base-800: #243D35;
$base-900: #182621;
$base-hover: #3CB98F;
$base-subtle: #D5ECE4;

{
    "color": {
        "base": {
            "value": "#66CDAA",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF9",
                "type": "color"
            },
            "100": {
                "value": "#E0F6EE",
                "type": "color"
            },
            "200": {
                "value": "#C1EBDD",
                "type": "color"
            },
            "300": {
                "value": "#97D9C3",
                "type": "color"
            },
            "400": {
                "value": "#6FC3A7",
                "type": "color"
            },
            "500": {
                "value": "#4EA789",
                "type": "color"
            },
            "600": {
                "value": "#41816B",
                "type": "color"
            },
            "700": {
                "value": "#335C4E",
                "type": "color"
            },
            "800": {
                "value": "#243D35",
                "type": "color"
            },
            "900": {
                "value": "#182621",
                "type": "color"
            }
        }
    }
}

Palettes built on Medium Aquamarine

Color Lab

Pairs with Medium Aquamarine

UI roles & guardrails

In real applications

Scales

Every model

Export