What color is #034F26?

#034F26 is a very dark, vivid teal-green. In RGB it is rgb(3, 79, 38), and in HSL hsl(148, 93%, 16%).

Is #034F26 accessible as text?

On white, #034F26 has a contrast ratio of 9.77:1 (passes WCAG AA for body text); on black it is 2.15:1 (fails). For text placed on #034F26, use white for the best readability.

What is the closest Tailwind color to #034F26?

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

What colors go well with #034F26?

#034F26 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F032B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #034F26 below.

Is #034F26 good for buttons?

#034F26 works well for buttons and highlights, but use white text on #034F26 — black text only reaches 2.15:1, below the 4.5:1 needed for normal-size labels.

Is #034F26 the same as CSS darkslategray?

No — #034F26 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.

#034F26 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #034F26

Not just a swatch — here's how #034F26 works with other colors. Named schemes with #034F26 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #034F26 Secondary #4B6C3C 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.

Luxury Packaging Feature · 5 colors

Feature #034F26 Anchor #141210 Accent #BFA74B Secondary #222C24 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.

Moody Editorial Color · 5 colors

Color #034F26 Anchor #292A2E Secondary #6C6F74 Surface #EBE6DA Accent #002D1E

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.

Coastal Morning Lead · 5 colors

Lead #034F26 Accent #A8C4BA 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #034F26 Secondary #596D5E 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 #034F26 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 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

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

Naturalness 97/100

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 67/100

High

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

Brand distinctiveness 37/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 61/100

High

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

Surface fit 31/100

Low

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #034F26

For UI

For branding

For interior

For fashion

People also use #034F26 with

Green Brunswick Green Oxblood 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 9.8:1. Use

Subtle surface Use #B7F1D2 for cards and hover fills. Tint 80

Avoid beside #034F40 — 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 #034F26 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: #034F26;
  --color-base-rgb: 3 79 38;
  --color-base-oklch: oklch(37.5% 0.096 152.3);
  --color-50: #F0FEF7;
  --color-100: #D8FDE9;
  --color-200: #B1FCD4;
  --color-300: #7CF4B4;
  --color-400: #4CE694;
  --color-500: #29CC75;
  --color-600: #279B5D;
  --color-700: #226D45;
  --color-800: #1A472F;
  --color-900: #122B1E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F0FEF7',
    100: '#D8FDE9',
    200: '#B1FCD4',
    300: '#7CF4B4',
    400: '#4CE694',
    500: '#29CC75',
    600: '#279B5D',
    700: '#226D45',
    800: '#1A472F',
    900: '#122B1E',
  },
}

$base: #034F26;
$base-ink: #FFFFFF;
$base-50: #F0FEF7;
$base-100: #D8FDE9;
$base-200: #B1FCD4;
$base-300: #7CF4B4;
$base-400: #4CE694;
$base-500: #29CC75;
$base-600: #279B5D;
$base-700: #226D45;
$base-800: #1A472F;
$base-900: #122B1E;
$base-hover: #023F1F;
$base-subtle: #91ECBC;

{
    "color": {
        "base": {
            "value": "#034F26",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF7",
                "type": "color"
            },
            "100": {
                "value": "#D8FDE9",
                "type": "color"
            },
            "200": {
                "value": "#B1FCD4",
                "type": "color"
            },
            "300": {
                "value": "#7CF4B4",
                "type": "color"
            },
            "400": {
                "value": "#4CE694",
                "type": "color"
            },
            "500": {
                "value": "#29CC75",
                "type": "color"
            },
            "600": {
                "value": "#279B5D",
                "type": "color"
            },
            "700": {
                "value": "#226D45",
                "type": "color"
            },
            "800": {
                "value": "#1A472F",
                "type": "color"
            },
            "900": {
                "value": "#122B1E",
                "type": "color"
            }
        }
    }
}

Palettes built on #034F26

Color Lab

Pairs with #034F26

UI roles & guardrails

In real applications

Scales

Every model

Export