What color is #309778?

#309778 is a dark teal-green. In RGB it is rgb(48, 151, 120), and in HSL hsl(162, 52%, 39%).

Is #309778 accessible as text?

On white, #309778 has a contrast ratio of 3.61:1 (fails WCAG AA for body text); on black it is 5.82:1 (passes). For text placed on #309778, use black for the best readability.

What is the closest Tailwind color to #309778?

The nearest Tailwind CSS token is teal-600 (#009689).

What colors go well with #309778?

#309778 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #97304F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #309778 below.

Is #309778 good for buttons?

#309778 works well for buttons and highlights, but use black text on #309778 — white text only reaches 3.61:1, below the 4.5:1 needed for normal-size labels.

Is #309778 the same as CSS seagreen?

No — #309778 is not the CSS named color seagreen, but seagreen (#2E8B57) is the closest CSS named color.

#309778 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #309778

Not just a swatch — here's how #309778 works with other colors. Named schemes with #309778 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #309778 Accent #A7C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3549

Russian 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 #309778 Secondary #734F19 Surface #E5DBC0 Accent #3B5141 Anchor #5B231F

Russian 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 #309778 Anchor #382B1E Surface #ECE4D0 Accent #849C6F Secondary #3A3833

Russian 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 #309778 Surface #F0E8D6 Anchor #612026 Accent #E5C4B9 Secondary #342B2B

Russian 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 #309778 Secondary #98B6AA Support #989286 Ink #16140F

Russian 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 Russian Green carrying the quiet middle.

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Color Lab

How #309778 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 35/100

Cool

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

Softness 50/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 39/100

Low

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

Naturalness 62/100

High

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

Vintage feel 58/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 28/100

Low

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

UI accent fit 85/100

Very 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 80/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #309778

For UI

For branding

For interior

For fashion

People also use #309778 with

Kelly Green Teal Blue Cranberry Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 5.2:1. Use

Subtle surface Use #D4ECE5 for cards and hover fills. Tint 80

Avoid beside #309497 — 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 #309778 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: #309778;
  --color-base-rgb: 48 151 120;
  --color-base-oklch: oklch(60.9% 0.105 169.0);
  --color-50: #F3FCF9;
  --color-100: #DFF6EF;
  --color-200: #C1EBDF;
  --color-300: #96D9C5;
  --color-400: #6EC4AA;
  --color-500: #4DA88D;
  --color-600: #41816E;
  --color-700: #325C50;
  --color-800: #243D35;
  --color-900: #182621;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  russian-green: {
    50: '#F3FCF9',
    100: '#DFF6EF',
    200: '#C1EBDF',
    300: '#96D9C5',
    400: '#6EC4AA',
    500: '#4DA88D',
    600: '#41816E',
    700: '#325C50',
    800: '#243D35',
    900: '#182621',
  },
}

$base: #309778;
$base-ink: #141310;
$base-50: #F3FCF9;
$base-100: #DFF6EF;
$base-200: #C1EBDF;
$base-300: #96D9C5;
$base-400: #6EC4AA;
$base-500: #4DA88D;
$base-600: #41816E;
$base-700: #325C50;
$base-800: #243D35;
$base-900: #182621;
$base-hover: #267960;
$base-subtle: #BEE3D8;

{
    "color": {
        "base": {
            "value": "#309778",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF9",
                "type": "color"
            },
            "100": {
                "value": "#DFF6EF",
                "type": "color"
            },
            "200": {
                "value": "#C1EBDF",
                "type": "color"
            },
            "300": {
                "value": "#96D9C5",
                "type": "color"
            },
            "400": {
                "value": "#6EC4AA",
                "type": "color"
            },
            "500": {
                "value": "#4DA88D",
                "type": "color"
            },
            "600": {
                "value": "#41816E",
                "type": "color"
            },
            "700": {
                "value": "#325C50",
                "type": "color"
            },
            "800": {
                "value": "#243D35",
                "type": "color"
            },
            "900": {
                "value": "#182621",
                "type": "color"
            }
        }
    }
}

Palettes built on #309778

Color Lab

Pairs with #309778

UI roles & guardrails

In real applications

Scales

Every model

Export