What color is #10501A?

#10501A is a dark green. In RGB it is rgb(16, 80, 26), and in HSL hsl(129, 67%, 19%).

Is #10501A accessible as text?

On white, #10501A has a contrast ratio of 9.61:1 (passes WCAG AA for body text); on black it is 2.18:1 (fails). For text placed on #10501A, use white for the best readability.

What is the closest Tailwind color to #10501A?

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

What colors go well with #10501A?

#10501A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #511047. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #10501A below.

Is #10501A good for buttons?

#10501A works well for buttons and highlights, but use white text on #10501A — black text only reaches 2.18:1, below the 4.5:1 needed for normal-size labels.

Is #10501A the same as CSS darkgreen?

No — #10501A is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#10501A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #10501A

Not just a swatch — here's how #10501A works with other colors. Named schemes with #10501A in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #10501A Anchor #141210 Accent #C0A64B Secondary #232C23 Surface #F1EDE3

Castleton Green carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Botanical Studio Lead · 5 colors

Lead #10501A Secondary #4C6B3C Accent #AD6C00 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.

Moody Editorial Color · 5 colors

Color #10501A Anchor #292A2E Secondary #6C6F74 Surface #EBE6DA Accent #002E19

Castleton Green adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Castleton Green.

Vintage Leather Lead · 5 colors

Lead #10501A Secondary #754E1B 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #10501A Secondary #5C6F5C 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 #10501A 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 47/100

Neutral

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

Softness 33/100

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 53/100

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 41/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 64/100

High

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

Surface fit 28/100

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 #10501A

For UI

For branding

For interior

For fashion

People also use #10501A with

Dark Olive Green Brunswick Green 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 #C2EAC8 for cards and hover fills. Tint 80

Avoid beside #10512F — 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 #10501A at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #10501A;
  --color-base-rgb: 16 80 26;
  --color-base-oklch: oklch(37.9% 0.106 145.4);
  --color-50: #F2FDF3;
  --color-100: #DCF9E0;
  --color-200: #BBF1C3;
  --color-300: #8CE399;
  --color-400: #62D072;
  --color-500: #3FB551;
  --color-600: #378B44;
  --color-700: #2C6234;
  --color-800: #204125;
  --color-900: #162818;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F2FDF3',
    100: '#DCF9E0',
    200: '#BBF1C3',
    300: '#8CE399',
    400: '#62D072',
    500: '#3FB551',
    600: '#378B44',
    700: '#2C6234',
    800: '#204125',
    900: '#162818',
  },
}

$base: #10501A;
$base-ink: #FFFFFF;
$base-50: #F2FDF3;
$base-100: #DCF9E0;
$base-200: #BBF1C3;
$base-300: #8CE399;
$base-400: #62D072;
$base-500: #3FB551;
$base-600: #378B44;
$base-700: #2C6234;
$base-800: #204125;
$base-900: #162818;
$base-hover: #0D4115;
$base-subtle: #A1E1AB;

{
    "color": {
        "base": {
            "value": "#10501A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDF3",
                "type": "color"
            },
            "100": {
                "value": "#DCF9E0",
                "type": "color"
            },
            "200": {
                "value": "#BBF1C3",
                "type": "color"
            },
            "300": {
                "value": "#8CE399",
                "type": "color"
            },
            "400": {
                "value": "#62D072",
                "type": "color"
            },
            "500": {
                "value": "#3FB551",
                "type": "color"
            },
            "600": {
                "value": "#378B44",
                "type": "color"
            },
            "700": {
                "value": "#2C6234",
                "type": "color"
            },
            "800": {
                "value": "#204125",
                "type": "color"
            },
            "900": {
                "value": "#162818",
                "type": "color"
            }
        }
    }
}

Palettes built on #10501A

Color Lab

Pairs with #10501A

UI roles & guardrails

In real applications

Scales

Every model

Export