What color is #42BC71?

#42BC71 is a medium green. In RGB it is rgb(66, 188, 113), and in HSL hsl(143, 48%, 50%).

Is #42BC71 accessible as text?

On white, #42BC71 has a contrast ratio of 2.42:1 (fails WCAG AA for body text); on black it is 8.66:1 (passes). For text placed on #42BC71, use black for the best readability.

What is the closest Tailwind color to #42BC71?

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

What colors go well with #42BC71?

#42BC71 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BD428E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #42BC71 below.

Is #42BC71 good for buttons?

#42BC71 works well for buttons and highlights, but use black text on #42BC71 — white text only reaches 2.42:1, below the 4.5:1 needed for normal-size labels.

Is #42BC71 the same as CSS mediumseagreen?

No — #42BC71 is not the CSS named color mediumseagreen, but mediumseagreen (#3CB371) is the closest CSS named color.

#42BC71 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #42BC71

Not just a swatch — here's how #42BC71 works with other colors. Named schemes with #42BC71 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #42BC71 Secondary #4B6C3D 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 #42BC71 Accent #A8C4BA 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 #42BC71 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 #42BC71 Secondary #AC6C00 Accent #677C4D 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 #42BC71 Secondary #B4D8BD 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 #42BC71 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 40/100

Neutral

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

Softness 50/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 30/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 76/100

High

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

Vintage feel 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 35/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 59/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 57/100

Moderate

Workable accent with care around contrast.

Surface fit 27/100

Low

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

Print safety 67/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #42BC71

For UI

For branding

For interior

For fashion

People also use #42BC71 with

Mantis Tiffany Blue Mulberry 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 7.7:1. Use

Subtle surface Use #DDEEE3 for cards and hover fills. Tint 80

Avoid beside #42BD9A — 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 #42BC71 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: #42BC71;
  --color-base-rgb: 66 188 113;
  --color-base-oklch: oklch(70.9% 0.154 152.8);
  --color-50: #F3FBF6;
  --color-100: #E0F5E8;
  --color-200: #C3EAD2;
  --color-300: #99D7B0;
  --color-400: #71C190;
  --color-500: #50A571;
  --color-600: #437F5A;
  --color-700: #345B43;
  --color-800: #253C2E;
  --color-900: #18251D;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-sea-green: {
    50: '#F3FBF6',
    100: '#E0F5E8',
    200: '#C3EAD2',
    300: '#99D7B0',
    400: '#71C190',
    500: '#50A571',
    600: '#437F5A',
    700: '#345B43',
    800: '#253C2E',
    900: '#18251D',
  },
}

$base: #42BC71;
$base-ink: #141310;
$base-50: #F3FBF6;
$base-100: #E0F5E8;
$base-200: #C3EAD2;
$base-300: #99D7B0;
$base-400: #71C190;
$base-500: #50A571;
$base-600: #437F5A;
$base-700: #345B43;
$base-800: #253C2E;
$base-900: #18251D;
$base-hover: #35975B;
$base-subtle: #CBE7D5;

{
    "color": {
        "base": {
            "value": "#42BC71",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBF6",
                "type": "color"
            },
            "100": {
                "value": "#E0F5E8",
                "type": "color"
            },
            "200": {
                "value": "#C3EAD2",
                "type": "color"
            },
            "300": {
                "value": "#99D7B0",
                "type": "color"
            },
            "400": {
                "value": "#71C190",
                "type": "color"
            },
            "500": {
                "value": "#50A571",
                "type": "color"
            },
            "600": {
                "value": "#437F5A",
                "type": "color"
            },
            "700": {
                "value": "#345B43",
                "type": "color"
            },
            "800": {
                "value": "#253C2E",
                "type": "color"
            },
            "900": {
                "value": "#18251D",
                "type": "color"
            }
        }
    }
}

Palettes built on #42BC71

Color Lab

Pairs with #42BC71

UI roles & guardrails

In real applications

Scales

Every model

Export