What color is #178F65?

#178F65 is a dark, vivid teal-green. In RGB it is rgb(23, 143, 101), and in HSL hsl(159, 72%, 33%).

Is #178F65 accessible as text?

On white, #178F65 has a contrast ratio of 4.08:1 (fails WCAG AA for body text); on black it is 5.15:1 (passes). For text placed on #178F65, use black for the best readability.

What is the closest Tailwind color to #178F65?

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

What colors go well with #178F65?

#178F65 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #911842. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #178F65 below.

Is #178F65 good for buttons?

#178F65 works well for buttons and highlights, but use black text on #178F65 — white text only reaches 4.08:1, below the 4.5:1 needed for normal-size labels.

Is #178F65 the same as CSS seagreen?

No — #178F65 is not the CSS named color seagreen, but seagreen (#2E8B57) is the closest CSS named color.

#178F65 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #178F65

Not just a swatch — here's how #178F65 works with other colors. Named schemes with #178F65 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #178F65 Secondary #496C3E Accent #AB6D00 Surface #EEEAD6 Anchor #3C2F20

Sea 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 #178F65 Accent #A7C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3648

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

Vintage Leather Lead · 5 colors

Lead #178F65 Secondary #744F1A Surface #E5DBC0 Accent #3B5141 Anchor #5B2320

Sea 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.

Berry & Cream Lead · 5 colors

Lead #178F65 Surface #F0E8D6 Anchor #612027 Accent #E5C4B9 Secondary #342B2C

Sea Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #178F65 Secondary #8DAC9C Support #989286 Ink #17140F

Sea 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 Sea Green carrying the quiet middle.

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Color Lab

How #178F65 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 36/100

Cool

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

Softness 46/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 43/100

Moderate

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

Naturalness 76/100

High

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

Vintage feel 58/100

Moderate

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

Luxury 50/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 94/100

Very high

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

Surface fit 24/100

Low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #178F65

For UI

For branding

For interior

For fashion

People also use #178F65 with

Kelly Green Teal Blue Cranberry Platinum Dark Slate Gray

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 4.6:1. Use

Subtle surface Use #CBEFE2 for cards and hover fills. Tint 80

Avoid beside #18918F — 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 #178F65 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: #178F65;
  --color-base-rgb: 23 143 101;
  --color-base-oklch: oklch(57.8% 0.119 163.0);
  --color-50: #F1FDF9;
  --color-100: #DBFAEF;
  --color-200: #B9F3DF;
  --color-300: #89E6C6;
  --color-400: #5DD5AB;
  --color-500: #3BBA8D;
  --color-600: #348E6E;
  --color-700: #2A6450;
  --color-800: #1F4236;
  --color-900: #152822;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  sea-green: {
    50: '#F1FDF9',
    100: '#DBFAEF',
    200: '#B9F3DF',
    300: '#89E6C6',
    400: '#5DD5AB',
    500: '#3BBA8D',
    600: '#348E6E',
    700: '#2A6450',
    800: '#1F4236',
    900: '#152822',
  },
}

$base: #178F65;
$base-ink: #141310;
$base-50: #F1FDF9;
$base-100: #DBFAEF;
$base-200: #B9F3DF;
$base-300: #89E6C6;
$base-400: #5DD5AB;
$base-500: #3BBA8D;
$base-600: #348E6E;
$base-700: #2A6450;
$base-800: #1F4236;
$base-900: #152822;
$base-hover: #137452;
$base-subtle: #B0E8D4;

{
    "color": {
        "base": {
            "value": "#178F65",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FDF9",
                "type": "color"
            },
            "100": {
                "value": "#DBFAEF",
                "type": "color"
            },
            "200": {
                "value": "#B9F3DF",
                "type": "color"
            },
            "300": {
                "value": "#89E6C6",
                "type": "color"
            },
            "400": {
                "value": "#5DD5AB",
                "type": "color"
            },
            "500": {
                "value": "#3BBA8D",
                "type": "color"
            },
            "600": {
                "value": "#348E6E",
                "type": "color"
            },
            "700": {
                "value": "#2A6450",
                "type": "color"
            },
            "800": {
                "value": "#1F4236",
                "type": "color"
            },
            "900": {
                "value": "#152822",
                "type": "color"
            }
        }
    }
}

Palettes built on #178F65

Color Lab

Pairs with #178F65

UI roles & guardrails

In real applications

Scales

Every model

Export