What color is #174F2E?

#174F2E is a dark teal-green. In RGB it is rgb(23, 79, 46), and in HSL hsl(145, 55%, 20%).

Is #174F2E accessible as text?

On white, #174F2E has a contrast ratio of 9.57:1 (passes WCAG AA for body text); on black it is 2.19:1 (fails). For text placed on #174F2E, use white for the best readability.

What is the closest Tailwind color to #174F2E?

The nearest Tailwind CSS token is green-900 (#0D542B).

What colors go well with #174F2E?

#174F2E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F1738. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #174F2E below.

Is #174F2E good for buttons?

#174F2E works well for buttons and highlights, but use white text on #174F2E — black text only reaches 2.19:1, below the 4.5:1 needed for normal-size labels.

Is #174F2E the same as CSS darkslategray?

No — #174F2E is not the CSS named color darkslategray, but darkslategray (#2F4F4F) 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.

#174F2E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #174F2E

Not just a swatch — here's how #174F2E works with other colors. Named schemes with #174F2E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #174F2E Secondary #4B6C3D Accent #AC6C00 Surface #EEEAD6 Anchor #3C2F20

Castleton 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 #174F2E Accent #A8C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1A3648

Castleton 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 #174F2E Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Castleton 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 #174F2E Secondary #744E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

Castleton 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #174F2E Secondary #5D6E62 Support #989286 Ink #17140F

Castleton 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 Castleton Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #174F2E 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 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 61/100

High

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

Naturalness 85/100

Very high

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

Vintage feel 54/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

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

Brand distinctiveness 22/100

Low

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

UI accent fit 59/100

Moderate

Workable accent with care around contrast.

Surface fit 36/100

Low

Usable as a tinted surface in measured doses.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #174F2E

For UI

For branding

For interior

For fashion

People also use #174F2E with

Dark Green Dark Slate Gray Tyrian Purple Platinum Hunter Green

UI roles & guardrails

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

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 9.6:1. Use

Subtle surface Use #C6E6D4 for cards and hover fills. Tint 80

Avoid beside #174F41 — 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 #174F2E 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: #174F2E;
  --color-base-rgb: 23 79 46;
  --color-base-oklch: oklch(38.2% 0.081 153.8);
  --color-50: #F3FCF7;
  --color-100: #DFF6E9;
  --color-200: #C0EDD2;
  --color-300: #94DBB2;
  --color-400: #6BC791;
  --color-500: #4AAB72;
  --color-600: #3F835B;
  --color-700: #315E44;
  --color-800: #233E2E;
  --color-900: #17261D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F3FCF7',
    100: '#DFF6E9',
    200: '#C0EDD2',
    300: '#94DBB2',
    400: '#6BC791',
    500: '#4AAB72',
    600: '#3F835B',
    700: '#315E44',
    800: '#233E2E',
    900: '#17261D',
  },
}

$base: #174F2E;
$base-ink: #FFFFFF;
$base-50: #F3FCF7;
$base-100: #DFF6E9;
$base-200: #C0EDD2;
$base-300: #94DBB2;
$base-400: #6BC791;
$base-500: #4AAB72;
$base-600: #3F835B;
$base-700: #315E44;
$base-800: #233E2E;
$base-900: #17261D;
$base-hover: #123F25;
$base-subtle: #A8DBBE;

{
    "color": {
        "base": {
            "value": "#174F2E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF7",
                "type": "color"
            },
            "100": {
                "value": "#DFF6E9",
                "type": "color"
            },
            "200": {
                "value": "#C0EDD2",
                "type": "color"
            },
            "300": {
                "value": "#94DBB2",
                "type": "color"
            },
            "400": {
                "value": "#6BC791",
                "type": "color"
            },
            "500": {
                "value": "#4AAB72",
                "type": "color"
            },
            "600": {
                "value": "#3F835B",
                "type": "color"
            },
            "700": {
                "value": "#315E44",
                "type": "color"
            },
            "800": {
                "value": "#233E2E",
                "type": "color"
            },
            "900": {
                "value": "#17261D",
                "type": "color"
            }
        }
    }
}