What color is #17510B?

#17510B is a dark, vivid green. In RGB it is rgb(23, 81, 11), and in HSL hsl(110, 76%, 18%).

Is #17510B accessible as text?

On white, #17510B has a contrast ratio of 9.47:1 (passes WCAG AA for body text); on black it is 2.22:1 (fails). For text placed on #17510B, use white for the best readability.

What is the closest Tailwind color to #17510B?

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

What colors go well with #17510B?

#17510B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #450B51. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #17510B below.

Is #17510B good for buttons?

#17510B works well for buttons and highlights, but use white text on #17510B — black text only reaches 2.22:1, below the 4.5:1 needed for normal-size labels.

Is #17510B the same as CSS darkgreen?

No — #17510B is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#17510B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #17510B

Not just a swatch — here's how #17510B works with other colors. Named schemes with #17510B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #17510B Secondary #4D6B3B Accent #AE6B00 Surface #EFEAD6 Anchor #3C2F21

Castleton Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Vintage Leather Lead · 5 colors

Lead #17510B Secondary #754E1C Surface #E6DBC0 Accent #3C5140 Anchor #5B2322

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.

Modern Café Dominant · 5 colors

Dominant #17510B Anchor #392B1E Surface #EDE4D0 Accent #889B6D Secondary #3A3833

Castleton 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.

Berry & Cream Lead · 5 colors

Lead #17510B Surface #F0E8D6 Anchor #61202A Accent #E6C3BA Secondary #342B2C

Castleton 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 #17510B Secondary #5D705A 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.

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Color Lab

How #17510B 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 50/100

Neutral

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 100/100

Very high

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

Vintage feel 51/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 68/100

High

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

Brand distinctiveness 31/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 67/100

High

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

Surface fit 25/100

Low

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

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #17510B

For UI

For branding

For interior

For fashion

People also use #17510B with

Avocado Castleton Green Russian Violet 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 9.5:1. Use

Subtle surface Use #C6ECBE for cards and hover fills. Tint 80

Avoid beside #0B5117 — 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 #17510B 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: #17510B;
  --color-base-rgb: 23 81 11;
  --color-base-oklch: oklch(38.3% 0.115 140.8);
  --color-50: #F3FEF1;
  --color-100: #E0FBDA;
  --color-200: #C2F5B7;
  --color-300: #97E987;
  --color-400: #6FD85A;
  --color-500: #4EBD37;
  --color-600: #419032;
  --color-700: #336629;
  --color-800: #24431E;
  --color-900: #182914;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F3FEF1',
    100: '#E0FBDA',
    200: '#C2F5B7',
    300: '#97E987',
    400: '#6FD85A',
    500: '#4EBD37',
    600: '#419032',
    700: '#336629',
    800: '#24431E',
    900: '#182914',
  },
}

$base: #17510B;
$base-ink: #FFFFFF;
$base-50: #F3FEF1;
$base-100: #E0FBDA;
$base-200: #C2F5B7;
$base-300: #97E987;
$base-400: #6FD85A;
$base-500: #4EBD37;
$base-600: #419032;
$base-700: #336629;
$base-800: #24431E;
$base-900: #182914;
$base-hover: #124109;
$base-subtle: #A8E59C;

{
    "color": {
        "base": {
            "value": "#17510B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FEF1",
                "type": "color"
            },
            "100": {
                "value": "#E0FBDA",
                "type": "color"
            },
            "200": {
                "value": "#C2F5B7",
                "type": "color"
            },
            "300": {
                "value": "#97E987",
                "type": "color"
            },
            "400": {
                "value": "#6FD85A",
                "type": "color"
            },
            "500": {
                "value": "#4EBD37",
                "type": "color"
            },
            "600": {
                "value": "#419032",
                "type": "color"
            },
            "700": {
                "value": "#336629",
                "type": "color"
            },
            "800": {
                "value": "#24431E",
                "type": "color"
            },
            "900": {
                "value": "#182914",
                "type": "color"
            }
        }
    }
}

Palettes built on #17510B

Color Lab

Pairs with #17510B

UI roles & guardrails

In real applications

Scales

Every model

Export