What color is #3DB378?

#3DB378 is a medium teal-green. In RGB it is rgb(61, 179, 120), and in HSL hsl(150, 49%, 47%).

Is #3DB378 accessible as text?

On white, #3DB378 has a contrast ratio of 2.65:1 (fails WCAG AA for body text); on black it is 7.92:1 (passes). For text placed on #3DB378, use black for the best readability.

What is the closest Tailwind color to #3DB378?

The nearest Tailwind CSS token is emerald-500 (#00BC7D).

What colors go well with #3DB378?

#3DB378 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B33D78. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3DB378 below.

Is #3DB378 good for buttons?

#3DB378 works well for buttons and highlights, but use black text on #3DB378 — white text only reaches 2.65:1, below the 4.5:1 needed for normal-size labels.

Is #3DB378 the same as CSS mediumseagreen?

No — #3DB378 is not the CSS named color mediumseagreen, but mediumseagreen (#3CB371) is the closest CSS named color.

#3DB378 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3DB378

Not just a swatch — here's how #3DB378 works with other colors. Named schemes with #3DB378 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #3DB378 Secondary #4A6C3D Accent #AC6C00 Surface #EEEAD6 Anchor #3C2F20

Medium Sea 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 #3DB378 Accent #A8C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1A3648

Medium Sea 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 #3DB378 Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Medium Sea Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Warm Autumn Interior Dominant · 5 colors

Dominant #3DB378 Secondary #AC6C00 Accent #667C4D Surface #F1EDDD Anchor #392B1E

This palette keeps Medium Sea Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #3DB378 Secondary #ADD0BA Support #989286 Ink #17140F

Medium Sea 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 Medium Sea Green carrying the quiet middle.

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Color Lab

How #3DB378 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 38/100

Cool

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

Softness 51/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 32/100

Low

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

Naturalness 81/100

Very high

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

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 38/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 53/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 66/100

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 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3DB378

For UI

For branding

For interior

For fashion

People also use #3DB378 with

Mantis Verdigris Fandango Platinum Hunter Green

UI roles & guardrails

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

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

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 7.0:1. Use

Subtle surface Use #DAEEE4 for cards and hover fills. Tint 80

Avoid beside #3DB39F — 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 #3DB378 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

A working theme, generated in seconds.

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: #3DB378;
  --color-base-rgb: 61 179 120;
  --color-base-oklch: oklch(68.6% 0.137 157.5);
  --color-50: #F3FBF7;
  --color-100: #E0F5EB;
  --color-200: #C2EAD6;
  --color-300: #98D7B8;
  --color-400: #70C299;
  --color-500: #4FA67A;
  --color-600: #427F61;
  --color-700: #345B47;
  --color-800: #253C30;
  --color-900: #18251F;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-sea-green: {
    50: '#F3FBF7',
    100: '#E0F5EB',
    200: '#C2EAD6',
    300: '#98D7B8',
    400: '#70C299',
    500: '#4FA67A',
    600: '#427F61',
    700: '#345B47',
    800: '#253C30',
    900: '#18251F',
  },
}

$base: #3DB378;
$base-ink: #141310;
$base-50: #F3FBF7;
$base-100: #E0F5EB;
$base-200: #C2EAD6;
$base-300: #98D7B8;
$base-400: #70C299;
$base-500: #4FA67A;
$base-600: #427F61;
$base-700: #345B47;
$base-800: #253C30;
$base-900: #18251F;
$base-hover: #318F60;
$base-subtle: #C7E6D6;

{
    "color": {
        "base": {
            "value": "#3DB378",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBF7",
                "type": "color"
            },
            "100": {
                "value": "#E0F5EB",
                "type": "color"
            },
            "200": {
                "value": "#C2EAD6",
                "type": "color"
            },
            "300": {
                "value": "#98D7B8",
                "type": "color"
            },
            "400": {
                "value": "#70C299",
                "type": "color"
            },
            "500": {
                "value": "#4FA67A",
                "type": "color"
            },
            "600": {
                "value": "#427F61",
                "type": "color"
            },
            "700": {
                "value": "#345B47",
                "type": "color"
            },
            "800": {
                "value": "#253C30",
                "type": "color"
            },
            "900": {
                "value": "#18251F",
                "type": "color"
            }
        }
    }
}

Palettes built on #3DB378

Color Lab

Pairs with #3DB378

UI roles & guardrails

In real applications

Scales

Every model

Export