What color is #03E190?

#03E190 is a medium, vivid teal-green. In RGB it is rgb(3, 225, 144), and in HSL hsl(158, 97%, 45%).

Is #03E190 accessible as text?

On white, #03E190 has a contrast ratio of 1.72:1 (fails WCAG AA for body text); on black it is 12.18:1 (passes). For text placed on #03E190, use black for the best readability.

What is the closest Tailwind color to #03E190?

The nearest Tailwind CSS token is green-400 (#05DF72).

What colors go well with #03E190?

#03E190 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E20355. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #03E190 below.

Is #03E190 good for buttons?

#03E190 works well for buttons and highlights, but use black text on #03E190 — white text only reaches 1.72:1, below the 4.5:1 needed for normal-size labels.

Is #03E190 the same as CSS mediumspringgreen?

No — #03E190 is not the CSS named color mediumspringgreen, but mediumspringgreen (#00FA9A) is the closest CSS named color.

#03E190 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #03E190

Not just a swatch — here's how #03E190 works with other colors. Named schemes with #03E190 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #03E190 Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

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

Tech Product Signal · 5 colors

Signal #03E190 Surface #13161A Highlight #F4F6F8 Secondary #586771 Accent #71FFBB

Shamrock is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Shamrock.

Botanical Studio Lead · 5 colors

Lead #03E190 Secondary #4A6C3D Accent #AC6D00 Surface #EEEAD6 Anchor #3C2F20

Shamrock leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #03E190 Secondary #C8FADC Support #989286 Ink #17140F

Shamrock 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 Shamrock carrying the quiet middle.

Japanese Sand Base · 5 colors

Base #03E190 Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2A2723

Shamrock sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Build a working theme in the generator →

Color Lab

How #03E190 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 51/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 21/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 39/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 25/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 72/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 26/100

Low

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

Surface fit 36/100

Low

Usable as a tinted surface in measured doses.

Print safety 62/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #03E190

For UI

For branding

For interior

For fashion

People also use #03E190 with

Lime Picton Blue Viva Magenta 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 10.8:1. Use

Subtle surface Use #CFF7E8 for cards and hover fills. Tint 80

Avoid beside #03E2DB — 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 #03E190 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: #03E190;
  --color-base-rgb: 3 225 144;
  --color-base-oklch: oklch(80.2% 0.186 158.5);
  --color-50: #F0FEF9;
  --color-100: #D8FDF0;
  --color-200: #B1FCE0;
  --color-300: #79F6C8;
  --color-400: #49E9AE;
  --color-500: #25D091;
  --color-600: #259D71;
  --color-700: #206F52;
  --color-800: #194837;
  --color-900: #112C22;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  shamrock: {
    50: '#F0FEF9',
    100: '#D8FDF0',
    200: '#B1FCE0',
    300: '#79F6C8',
    400: '#49E9AE',
    500: '#25D091',
    600: '#259D71',
    700: '#206F52',
    800: '#194837',
    900: '#112C22',
  },
}

$base: #03E190;
$base-ink: #141310;
$base-50: #F0FEF9;
$base-100: #D8FDF0;
$base-200: #B1FCE0;
$base-300: #79F6C8;
$base-400: #49E9AE;
$base-500: #25D091;
$base-600: #259D71;
$base-700: #206F52;
$base-800: #194837;
$base-900: #112C22;
$base-hover: #03B574;
$base-subtle: #B6F4DD;

{
    "color": {
        "base": {
            "value": "#03E190",
            "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": "#79F6C8",
                "type": "color"
            },
            "400": {
                "value": "#49E9AE",
                "type": "color"
            },
            "500": {
                "value": "#25D091",
                "type": "color"
            },
            "600": {
                "value": "#259D71",
                "type": "color"
            },
            "700": {
                "value": "#206F52",
                "type": "color"
            },
            "800": {
                "value": "#194837",
                "type": "color"
            },
            "900": {
                "value": "#112C22",
                "type": "color"
            }
        }
    }
}