What color is #669B63?

#669B63 is a medium, muted green. In RGB it is rgb(102, 155, 99), and in HSL hsl(117, 22%, 50%).

Is #669B63 accessible as text?

On white, #669B63 has a contrast ratio of 3.26:1 (fails WCAG AA for body text); on black it is 6.43:1 (passes). For text placed on #669B63, use black for the best readability.

What is the closest Tailwind color to #669B63?

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

What colors go well with #669B63?

#669B63 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #99639C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #669B63 below.

Is #669B63 good for buttons?

#669B63 works well for buttons and highlights, but use black text on #669B63 — white text only reaches 3.26:1, below the 4.5:1 needed for normal-size labels.

Is #669B63 the same as CSS olivedrab?

No — #669B63 is not the CSS named color olivedrab, but olivedrab (#6B8E23) is the closest CSS named color.

#669B63 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #669B63

Not just a swatch — here's how #669B63 works with other colors. Named schemes with #669B63 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #669B63 Secondary #4C6B3B Accent #AD6B00 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.

Coastal Morning Lead · 5 colors

Lead #669B63 Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #193648

Russian Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Japanese Sand Base · 5 colors

Base #669B63 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

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.

Warm Autumn Interior Dominant · 5 colors

Dominant #669B63 Secondary #AD6B00 Accent #687C4C Surface #F2EDDD Anchor #3A2B1E

This palette keeps Russian Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #669B63 Secondary #AABDA9 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.

Build a working theme in the generator →

Color Lab

How #669B63 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 48/100

Neutral

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

Softness 53/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 36/100

Low

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

Naturalness 100/100

Very high

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

Vintage feel 65/100

High

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

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 38/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 76/100

High

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

Surface fit 35/100

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 #669B63

For UI

For branding

For interior

For fashion

People also use #669B63 with

Sage Russian Green Amethyst 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 5.7:1. Use

Subtle surface Use #E2EAE1 for cards and hover fills. Tint 80

Avoid beside #639C73 — 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 #669B63 at work across the surfaces designers actually ship.

Website / UI

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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: #669B63;
  --color-base-rgb: 102 155 99;
  --color-base-oklch: oklch(63.7% 0.100 143.1);
  --color-50: #F6F9F6;
  --color-100: #E6EFE6;
  --color-200: #CEDFCD;
  --color-300: #ABC6A9;
  --color-400: #89AB87;
  --color-500: #698E67;
  --color-600: #556F53;
  --color-700: #3F503F;
  --color-800: #2C362B;
  --color-900: #1C221C;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  russian-green: {
    50: '#F6F9F6',
    100: '#E6EFE6',
    200: '#CEDFCD',
    300: '#ABC6A9',
    400: '#89AB87',
    500: '#698E67',
    600: '#556F53',
    700: '#3F503F',
    800: '#2C362B',
    900: '#1C221C',
  },
}

$base: #669B63;
$base-ink: #141310;
$base-50: #F6F9F6;
$base-100: #E6EFE6;
$base-200: #CEDFCD;
$base-300: #ABC6A9;
$base-400: #89AB87;
$base-500: #698E67;
$base-600: #556F53;
$base-700: #3F503F;
$base-800: #2C362B;
$base-900: #1C221C;
$base-hover: #527C50;
$base-subtle: #D3DFD2;

{
    "color": {
        "base": {
            "value": "#669B63",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F6",
                "type": "color"
            },
            "100": {
                "value": "#E6EFE6",
                "type": "color"
            },
            "200": {
                "value": "#CEDFCD",
                "type": "color"
            },
            "300": {
                "value": "#ABC6A9",
                "type": "color"
            },
            "400": {
                "value": "#89AB87",
                "type": "color"
            },
            "500": {
                "value": "#698E67",
                "type": "color"
            },
            "600": {
                "value": "#556F53",
                "type": "color"
            },
            "700": {
                "value": "#3F503F",
                "type": "color"
            },
            "800": {
                "value": "#2C362B",
                "type": "color"
            },
            "900": {
                "value": "#1C221C",
                "type": "color"
            }
        }
    }
}

Palettes built on #669B63

Color Lab

Pairs with #669B63

UI roles & guardrails

In real applications

Scales

Every model

Export