What color is #3CE99B?

#3CE99B is a medium, vivid teal-green. In RGB it is rgb(60, 233, 155), and in HSL hsl(153, 80%, 57%).

Is #3CE99B accessible as text?

On white, #3CE99B has a contrast ratio of 1.58:1 (fails WCAG AA for body text); on black it is 13.32:1 (passes). For text placed on #3CE99B, use black for the best readability.

What is the closest Tailwind color to #3CE99B?

The nearest Tailwind CSS token is emerald-300 (#5EE9B5).

What colors go well with #3CE99B?

#3CE99B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E93A89. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3CE99B below.

Is #3CE99B good for buttons?

#3CE99B works well for buttons and highlights, but use black text on #3CE99B — white text only reaches 1.58:1, below the 4.5:1 needed for normal-size labels.

Is #3CE99B the same as CSS mediumspringgreen?

No — #3CE99B is not the CSS named color mediumspringgreen, but mediumspringgreen (#00FA9A) is the closest CSS named color.

#3CE99B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3CE99B

Not just a swatch — here's how #3CE99B works with other colors. Named schemes with #3CE99B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #3CE99B Secondary #4A6C3D Accent #AC6D00 Surface #EEEAD6 Anchor #3C2F20

Medium Spring 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 #3CE99B Accent #A8C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1A3648

Medium Spring 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 #3CE99B Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Medium Spring 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 #3CE99B Secondary #AC6D00 Accent #667C4D Surface #F1EDDD Anchor #392B1E

This palette keeps Medium Spring 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 #3CE99B Secondary #D3FFE6 Support #989286 Ink #17140F

Medium Spring 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 Spring Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #3CE99B 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 34/100

Cool

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

Softness 54/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 18/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 47/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 22/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 68/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 20/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 64/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3CE99B

For UI

For branding

For interior

For fashion

People also use #3CE99B with

Spring Green Lagoon Blue Mulberry Platinum Dark Slate Gray

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 11.8:1. Use

Subtle surface Use #DCF6EA for cards and hover fills. Tint 80

Avoid beside #3AE9D5 — 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 #3CE99B at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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: #3CE99B;
  --color-base-rgb: 60 233 155;
  --color-base-oklch: oklch(83.0% 0.177 158.4);
  --color-50: #F1FEF8;
  --color-100: #D9FCEC;
  --color-200: #B6F7D9;
  --color-300: #84EBBD;
  --color-400: #57DBA0;
  --color-500: #34C181;
  --color-600: #2F9366;
  --color-700: #27684B;
  --color-800: #1D4432;
  --color-900: #142920;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-spring-green: {
    50: '#F1FEF8',
    100: '#D9FCEC',
    200: '#B6F7D9',
    300: '#84EBBD',
    400: '#57DBA0',
    500: '#34C181',
    600: '#2F9366',
    700: '#27684B',
    800: '#1D4432',
    900: '#142920',
  },
}

$base: #3CE99B;
$base-ink: #141310;
$base-50: #F1FEF8;
$base-100: #D9FCEC;
$base-200: #B6F7D9;
$base-300: #84EBBD;
$base-400: #57DBA0;
$base-500: #34C181;
$base-600: #2F9366;
$base-700: #27684B;
$base-800: #1D4432;
$base-900: #142920;
$base-hover: #17D17E;
$base-subtle: #CAF2E0;

{
    "color": {
        "base": {
            "value": "#3CE99B",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FEF8",
                "type": "color"
            },
            "100": {
                "value": "#D9FCEC",
                "type": "color"
            },
            "200": {
                "value": "#B6F7D9",
                "type": "color"
            },
            "300": {
                "value": "#84EBBD",
                "type": "color"
            },
            "400": {
                "value": "#57DBA0",
                "type": "color"
            },
            "500": {
                "value": "#34C181",
                "type": "color"
            },
            "600": {
                "value": "#2F9366",
                "type": "color"
            },
            "700": {
                "value": "#27684B",
                "type": "color"
            },
            "800": {
                "value": "#1D4432",
                "type": "color"
            },
            "900": {
                "value": "#142920",
                "type": "color"
            }
        }
    }
}