What color is #66CCA8?

#66CCA8 is a medium teal-green. In RGB it is rgb(102, 204, 168), and in HSL hsl(159, 50%, 60%).

Is #66CCA8 accessible as text?

On white, #66CCA8 has a contrast ratio of 1.95:1 (fails WCAG AA for body text); on black it is 10.77:1 (passes). For text placed on #66CCA8, use black for the best readability.

What is the closest Tailwind color to #66CCA8?

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

What colors go well with #66CCA8?

#66CCA8 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CC668A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #66CCA8 below.

Is #66CCA8 good for buttons?

#66CCA8 works well for buttons and highlights, but use black text on #66CCA8 — white text only reaches 1.95:1, below the 4.5:1 needed for normal-size labels.

Is #66CCA8 the same as CSS mediumaquamarine?

No — #66CCA8 is not the CSS named color mediumaquamarine, but mediumaquamarine (#66CDAA) is the closest CSS named color.

#66CCA8 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #66CCA8

Not just a swatch — here's how #66CCA8 works with other colors. Named schemes with #66CCA8 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #66CCA8 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 #66CCA8 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 #66CCA8 Secondary #AB6D00 Accent #657D4E 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 #66CCA8 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 #66CCA8 Secondary #CBEBDE 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 #66CCA8 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 35/100

Cool

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

Softness 62/100

High

Middle-weight — neither delicate nor heavy.

Depth 23/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 64/100

High

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

Vintage feel 42/100

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 #66CCA8

For UI

For branding

For interior

For fashion

People also use #66CCA8 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 9.5:1. Use

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

Avoid beside #66CCCA — 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 #66CCA8 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: #66CCA8;
  --color-base-rgb: 102 204 168;
  --color-base-oklch: oklch(77.4% 0.110 168.0);
  --color-50: #F3FCF9;
  --color-100: #E0F5EE;
  --color-200: #C2EBDC;
  --color-300: #97D8C1;
  --color-400: #70C2A5;
  --color-500: #4EA688;
  --color-600: #42806A;
  --color-700: #335C4D;
  --color-800: #243C34;
  --color-900: #182521;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-aquamarine: {
    50: '#F3FCF9',
    100: '#E0F5EE',
    200: '#C2EBDC',
    300: '#97D8C1',
    400: '#70C2A5',
    500: '#4EA688',
    600: '#42806A',
    700: '#335C4D',
    800: '#243C34',
    900: '#182521',
  },
}

$base: #66CCA8;
$base-ink: #141310;
$base-50: #F3FCF9;
$base-100: #E0F5EE;
$base-200: #C2EBDC;
$base-300: #97D8C1;
$base-400: #70C2A5;
$base-500: #4EA688;
$base-600: #42806A;
$base-700: #335C4D;
$base-800: #243C34;
$base-900: #182521;
$base-hover: #3DB88D;
$base-subtle: #D5ECE4;

{
    "color": {
        "base": {
            "value": "#66CCA8",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF9",
                "type": "color"
            },
            "100": {
                "value": "#E0F5EE",
                "type": "color"
            },
            "200": {
                "value": "#C2EBDC",
                "type": "color"
            },
            "300": {
                "value": "#97D8C1",
                "type": "color"
            },
            "400": {
                "value": "#70C2A5",
                "type": "color"
            },
            "500": {
                "value": "#4EA688",
                "type": "color"
            },
            "600": {
                "value": "#42806A",
                "type": "color"
            },
            "700": {
                "value": "#335C4D",
                "type": "color"
            },
            "800": {
                "value": "#243C34",
                "type": "color"
            },
            "900": {
                "value": "#182521",
                "type": "color"
            }
        }
    }
}

Palettes built on #66CCA8

Color Lab

Pairs with #66CCA8

UI roles & guardrails

In real applications

Scales

Every model

Export