What color is #01B271?

#01B271 is a dark, vivid teal-green. In RGB it is rgb(1, 178, 113), and in HSL hsl(158, 99%, 35%).

Is #01B271 accessible as text?

On white, #01B271 has a contrast ratio of 2.76:1 (fails WCAG AA for body text); on black it is 7.61:1 (passes). For text placed on #01B271, use black for the best readability.

What is the closest Tailwind color to #01B271?

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

What colors go well with #01B271?

#01B271 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B20142. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #01B271 below.

Is #01B271 good for buttons?

#01B271 works well for buttons and highlights, but use black text on #01B271 — white text only reaches 2.76:1, below the 4.5:1 needed for normal-size labels.

Is #01B271 the same as CSS mediumseagreen?

No — #01B271 is not the CSS named color mediumseagreen, but mediumseagreen (#3CB371) is the closest CSS named color.

#01B271 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #01B271

Not just a swatch — here's how #01B271 works with other colors. Named schemes with #01B271 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #01B271 Secondary #4A6C3D Accent #AC6D00 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 #01B271 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 #01B271 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 #01B271 Secondary #AC6D00 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 #01B271 Secondary #A5CDB5 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.

Build a working theme in the generator →

Color Lab

How #01B271 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 48/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 34/100

Low

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

Naturalness 65/100

High

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

Vintage feel 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 39/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 60/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 70/100

High

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

Surface fit 24/100

Low

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

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #01B271

For UI

For branding

For interior

For fashion

People also use #01B271 with

Malachite Bondi 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 Only on dark surfaces. Avoid

Background Pair with #141310 text at 6.7:1. Use

Subtle surface Use #C6F5E4 for cards and hover fills. Tint 80

Avoid beside #01B2AC — 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 #01B271 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: #01B271;
  --color-base-rgb: 1 178 113;
  --color-base-oklch: oklch(67.3% 0.156 158.5);
  --color-50: #F0FEF9;
  --color-100: #D8FDF0;
  --color-200: #B1FCE0;
  --color-300: #78F7C9;
  --color-400: #47EBAF;
  --color-500: #23D292;
  --color-600: #239F71;
  --color-700: #1F6F52;
  --color-800: #194837;
  --color-900: #112C22;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-sea-green: {
    50: '#F0FEF9',
    100: '#D8FDF0',
    200: '#B1FCE0',
    300: '#78F7C9',
    400: '#47EBAF',
    500: '#23D292',
    600: '#239F71',
    700: '#1F6F52',
    800: '#194837',
    900: '#112C22',
  },
}

$base: #01B271;
$base-ink: #141310;
$base-50: #F0FEF9;
$base-100: #D8FDF0;
$base-200: #B1FCE0;
$base-300: #78F7C9;
$base-400: #47EBAF;
$base-500: #23D292;
$base-600: #239F71;
$base-700: #1F6F52;
$base-800: #194837;
$base-900: #112C22;
$base-hover: #018E5A;
$base-subtle: #A8F3D7;

{
    "color": {
        "base": {
            "value": "#01B271",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF9",
                "type": "color"
            },
            "100": {
                "value": "#D8FDF0",
                "type": "color"
            },
            "200": {
                "value": "#B1FCE0",
                "type": "color"
            },
            "300": {
                "value": "#78F7C9",
                "type": "color"
            },
            "400": {
                "value": "#47EBAF",
                "type": "color"
            },
            "500": {
                "value": "#23D292",
                "type": "color"
            },
            "600": {
                "value": "#239F71",
                "type": "color"
            },
            "700": {
                "value": "#1F6F52",
                "type": "color"
            },
            "800": {
                "value": "#194837",
                "type": "color"
            },
            "900": {
                "value": "#112C22",
                "type": "color"
            }
        }
    }
}

Palettes built on #01B271

Color Lab

Pairs with #01B271

UI roles & guardrails

In real applications

Scales

Every model

Export