What color is #166A55?

#166A55 is a dark teal. In RGB it is rgb(22, 106, 85), and in HSL hsl(165, 66%, 25%).

Is #166A55 accessible as text?

On white, #166A55 has a contrast ratio of 6.51:1 (passes WCAG AA for body text); on black it is 3.23:1 (fails). For text placed on #166A55, use white for the best readability.

What is the closest Tailwind color to #166A55?

The nearest Tailwind CSS token is emerald-800 (#006045).

What colors go well with #166A55?

#166A55 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6A162B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #166A55 below.

Is #166A55 good for buttons?

#166A55 works well for buttons and highlights, but use white text on #166A55 — black text only reaches 3.23:1, below the 4.5:1 needed for normal-size labels.

Is #166A55 the same as CSS darkolivegreen?

No — #166A55 is not the CSS named color darkolivegreen, but darkolivegreen (#556B2F) is the closest CSS named color.

#166A55 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #166A55

Not just a swatch — here's how #166A55 works with other colors. Named schemes with #166A55 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #166A55 Accent #A7C4BC Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3549

Hunter Green 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 #166A55 Secondary #ADB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2D3236

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

Vintage Leather Lead · 5 colors

Lead #166A55 Secondary #734F19 Surface #E5DBC0 Accent #3B5141 Anchor #5B231F

Hunter Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #166A55 Anchor #382B1E Surface #ECE4D0 Accent #849C6F Secondary #3A3833

Hunter Green 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #166A55 Secondary #728981 Support #989286 Ink #16140F

Hunter 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 Hunter Green carrying the quiet middle.

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Color Lab

How #166A55 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 37/100

Cool

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 52/100

Moderate

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

Naturalness 51/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 60/100

Moderate

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

Luxury 58/100

Moderate

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 23/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 83/100

Very high

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

Surface fit 29/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #166A55

For UI

For branding

For interior

For fashion

People also use #166A55 with

Forest Green Classic Blue Rosewood Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 6.5:1. Use

Subtle surface Use #C7EBE2 for cards and hover fills. Tint 80

Avoid beside #16636A — 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 #166A55 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: #166A55;
  --color-base-rgb: 22 106 85;
  --color-base-oklch: oklch(47.1% 0.084 171.5);
  --color-50: #F2FDFA;
  --color-100: #DCF9F2;
  --color-200: #BBF1E4;
  --color-300: #8DE2CD;
  --color-400: #62D0B4;
  --color-500: #40B597;
  --color-600: #388A75;
  --color-700: #2D6255;
  --color-800: #214038;
  --color-900: #162823;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  hunter-green: {
    50: '#F2FDFA',
    100: '#DCF9F2',
    200: '#BBF1E4',
    300: '#8DE2CD',
    400: '#62D0B4',
    500: '#40B597',
    600: '#388A75',
    700: '#2D6255',
    800: '#214038',
    900: '#162823',
  },
}

$base: #166A55;
$base-ink: #FFFFFF;
$base-50: #F2FDFA;
$base-100: #DCF9F2;
$base-200: #BBF1E4;
$base-300: #8DE2CD;
$base-400: #62D0B4;
$base-500: #40B597;
$base-600: #388A75;
$base-700: #2D6255;
$base-800: #214038;
$base-900: #162823;
$base-hover: #115544;
$base-subtle: #A9E2D4;

{
    "color": {
        "base": {
            "value": "#166A55",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDFA",
                "type": "color"
            },
            "100": {
                "value": "#DCF9F2",
                "type": "color"
            },
            "200": {
                "value": "#BBF1E4",
                "type": "color"
            },
            "300": {
                "value": "#8DE2CD",
                "type": "color"
            },
            "400": {
                "value": "#62D0B4",
                "type": "color"
            },
            "500": {
                "value": "#40B597",
                "type": "color"
            },
            "600": {
                "value": "#388A75",
                "type": "color"
            },
            "700": {
                "value": "#2D6255",
                "type": "color"
            },
            "800": {
                "value": "#214038",
                "type": "color"
            },
            "900": {
                "value": "#162823",
                "type": "color"
            }
        }
    }
}

Palettes built on #166A55

Color Lab

Pairs with #166A55

UI roles & guardrails

In real applications

Scales

Every model

Export