What color is #178259?

#178259 is a dark, vivid teal-green. In RGB it is rgb(23, 130, 89), and in HSL hsl(157, 70%, 30%).

Is #178259 accessible as text?

On white, #178259 has a contrast ratio of 4.80:1 (passes WCAG AA for body text); on black it is 4.37:1 (fails). For text placed on #178259, use white for the best readability.

What is the closest Tailwind color to #178259?

The nearest Tailwind CSS token is emerald-700 (#007A55).

What colors go well with #178259?

#178259 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #821740. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #178259 below.

Is #178259 good for buttons?

#178259 works well for buttons and highlights, but use white text on #178259 — black text only reaches 4.37:1, below the 4.5:1 needed for normal-size labels.

Is #178259 the same as CSS seagreen?

No — #178259 is not the CSS named color seagreen, but seagreen (#2E8B57) is the closest CSS named color.

#178259 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #178259

Not just a swatch — here's how #178259 works with other colors. Named schemes with #178259 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #178259 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 #178259 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 #178259 Secondary #744E1A 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 #178259 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 #178259 Secondary #83A090 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.

Build a working theme in the generator →

Color Lab

How #178259 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 38/100

Cool

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

Softness 44/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 46/100

Moderate

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

Naturalness 80/100

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 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 30/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 97/100

Very high

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

Surface fit 22/100

Low

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

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #178259

For UI

For branding

For interior

For fashion

People also use #178259 with

Shamrock Green Teal Blue Burgundy 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 4.8:1. Use

Subtle surface Use #C9EDDF for cards and hover fills. Tint 80

Avoid beside #17827D — 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 #178259 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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: #178259;
  --color-base-rgb: 23 130 89;
  --color-base-oklch: oklch(53.9% 0.112 161.4);
  --color-50: #F1FDF9;
  --color-100: #DBFAEE;
  --color-200: #BAF3DD;
  --color-300: #8AE5C2;
  --color-400: #5FD3A7;
  --color-500: #3DB889;
  --color-600: #358C6B;
  --color-700: #2B644E;
  --color-800: #204134;
  --color-900: #152821;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sea-green: {
    50: '#F1FDF9',
    100: '#DBFAEE',
    200: '#BAF3DD',
    300: '#8AE5C2',
    400: '#5FD3A7',
    500: '#3DB889',
    600: '#358C6B',
    700: '#2B644E',
    800: '#204134',
    900: '#152821',
  },
}

$base: #178259;
$base-ink: #FFFFFF;
$base-50: #F1FDF9;
$base-100: #DBFAEE;
$base-200: #BAF3DD;
$base-300: #8AE5C2;
$base-400: #5FD3A7;
$base-500: #3DB889;
$base-600: #358C6B;
$base-700: #2B644E;
$base-800: #204134;
$base-900: #152821;
$base-hover: #126847;
$base-subtle: #ADE6D0;

{
    "color": {
        "base": {
            "value": "#178259",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FDF9",
                "type": "color"
            },
            "100": {
                "value": "#DBFAEE",
                "type": "color"
            },
            "200": {
                "value": "#BAF3DD",
                "type": "color"
            },
            "300": {
                "value": "#8AE5C2",
                "type": "color"
            },
            "400": {
                "value": "#5FD3A7",
                "type": "color"
            },
            "500": {
                "value": "#3DB889",
                "type": "color"
            },
            "600": {
                "value": "#358C6B",
                "type": "color"
            },
            "700": {
                "value": "#2B644E",
                "type": "color"
            },
            "800": {
                "value": "#204134",
                "type": "color"
            },
            "900": {
                "value": "#152821",
                "type": "color"
            }
        }
    }
}

Palettes built on #178259

Color Lab

Pairs with #178259

UI roles & guardrails

In real applications

Scales

Every model

Export