What color is #669E77?

#669E77 is a medium, muted green. In RGB it is rgb(102, 158, 119), and in HSL hsl(138, 22%, 51%).

Is #669E77 accessible as text?

On white, #669E77 has a contrast ratio of 3.12:1 (fails WCAG AA for body text); on black it is 6.72:1 (passes). For text placed on #669E77, use black for the best readability.

What is the closest Tailwind color to #669E77?

The nearest Tailwind CSS token is emerald-600 (#009966).

What colors go well with #669E77?

#669E77 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #9E678D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #669E77 below.

Is #669E77 good for buttons?

#669E77 works well for buttons and highlights, but use black text on #669E77 — white text only reaches 3.12:1, below the 4.5:1 needed for normal-size labels.

Is #669E77 the same as CSS cadetblue?

No — #669E77 is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#669E77 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #669E77

Not just a swatch — here's how #669E77 works with other colors. Named schemes with #669E77 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #669E77 Secondary #4B6C3D Accent #AC6C00 Surface #EEEAD6 Anchor #3C2F20

Russian Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Nordic Calm Accent · 5 colors

Accent #669E77 Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

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

Japanese Sand Base · 5 colors

Base #669E77 Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2A2723

Russian Green sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Desert Clay Center · 5 colors

Center #669E77 Surface #DCD1A8 Secondary #AA7E4D Accent #8B9B74 Anchor #3C2D1E

Russian Green holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #669E77 Secondary #ADC0B2 Support #989286 Ink #17140F

Russian 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 Russian Green carrying the quiet middle.

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Color Lab

How #669E77 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 44/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 56/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 34/100

Low

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

Naturalness 88/100

Very high

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

Vintage feel 62/100

High

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 68/100

High

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

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #669E77

For UI

For branding

For interior

For fashion

People also use #669E77 with

Sage Cadet Blue Mauve Taupe Platinum Brunswick Green

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 Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 5.9:1. Use

Subtle surface Use #E2EAE4 for cards and hover fills. Tint 80

Avoid beside #679E89 — 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 #669E77 at work across the surfaces designers actually ship.

Website / UI

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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: #669E77;
  --color-base-rgb: 102 158 119;
  --color-base-oklch: oklch(64.9% 0.083 153.2);
  --color-50: #F6F9F7;
  --color-100: #E6EFE9;
  --color-200: #CDDFD3;
  --color-300: #A9C6B2;
  --color-400: #87AB92;
  --color-500: #678E73;
  --color-600: #536F5B;
  --color-700: #3F5044;
  --color-800: #2B362E;
  --color-900: #1C221D;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  russian-green: {
    50: '#F6F9F7',
    100: '#E6EFE9',
    200: '#CDDFD3',
    300: '#A9C6B2',
    400: '#87AB92',
    500: '#678E73',
    600: '#536F5B',
    700: '#3F5044',
    800: '#2B362E',
    900: '#1C221D',
  },
}

$base: #669E77;
$base-ink: #141310;
$base-50: #F6F9F7;
$base-100: #E6EFE9;
$base-200: #CDDFD3;
$base-300: #A9C6B2;
$base-400: #87AB92;
$base-500: #678E73;
$base-600: #536F5B;
$base-700: #3F5044;
$base-800: #2B362E;
$base-900: #1C221D;
$base-hover: #517F5F;
$base-subtle: #D3E0D7;

{
    "color": {
        "base": {
            "value": "#669E77",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F7",
                "type": "color"
            },
            "100": {
                "value": "#E6EFE9",
                "type": "color"
            },
            "200": {
                "value": "#CDDFD3",
                "type": "color"
            },
            "300": {
                "value": "#A9C6B2",
                "type": "color"
            },
            "400": {
                "value": "#87AB92",
                "type": "color"
            },
            "500": {
                "value": "#678E73",
                "type": "color"
            },
            "600": {
                "value": "#536F5B",
                "type": "color"
            },
            "700": {
                "value": "#3F5044",
                "type": "color"
            },
            "800": {
                "value": "#2B362E",
                "type": "color"
            },
            "900": {
                "value": "#1C221D",
                "type": "color"
            }
        }
    }
}

Palettes built on #669E77

Color Lab

Pairs with #669E77

UI roles & guardrails

In real applications

Scales

Every model

Export