What color is #45EFB3?

#45EFB3 is a medium, vivid teal-green. In RGB it is rgb(69, 239, 179), and in HSL hsl(159, 84%, 60%).

Is #45EFB3 accessible as text?

On white, #45EFB3 has a contrast ratio of 1.47:1 (fails WCAG AA for body text); on black it is 14.25:1 (passes). For text placed on #45EFB3, use black for the best readability.

What is the closest Tailwind color to #45EFB3?

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

What colors go well with #45EFB3?

#45EFB3 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EF437F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #45EFB3 below.

Is #45EFB3 good for buttons?

#45EFB3 works well for buttons and highlights, but use black text on #45EFB3 — white text only reaches 1.47:1, below the 4.5:1 needed for normal-size labels.

Is #45EFB3 the same as CSS mediumspringgreen?

No — #45EFB3 is not the CSS named color mediumspringgreen, but mediumspringgreen (#00FA9A) is the closest CSS named color.

#45EFB3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #45EFB3

Not just a swatch — here's how #45EFB3 works with other colors. Named schemes with #45EFB3 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #45EFB3 Secondary #496C3E Accent #AB6D00 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 #45EFB3 Accent #A7C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3548

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 #45EFB3 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 #45EFB3 Secondary #AB6D00 Accent #657C4E 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 #45EFB3 Secondary #D8FFF0 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 #45EFB3 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 30/100

Cool

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

Softness 58/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 15/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 50/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 20/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 62/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 16/100

Very low

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

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #45EFB3

For UI

For branding

For interior

For fashion

People also use #45EFB3 with

Spring Green Lagoon Blue Blush Pink 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 12.6:1. Use

Subtle surface Use #DEF7EE for cards and hover fills. Tint 80

Avoid beside #43EFEC — 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 #45EFB3 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: #45EFB3;
  --color-base-rgb: 69 239 179;
  --color-base-oklch: oklch(85.2% 0.162 164.6);
  --color-50: #F0FEF9;
  --color-100: #D8FDF0;
  --color-200: #B4F8E0;
  --color-300: #81EEC8;
  --color-400: #53DFAE;
  --color-500: #30C491;
  --color-600: #2D9571;
  --color-700: #256952;
  --color-800: #1C4537;
  --color-900: #132A22;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-spring-green: {
    50: '#F0FEF9',
    100: '#D8FDF0',
    200: '#B4F8E0',
    300: '#81EEC8',
    400: '#53DFAE',
    500: '#30C491',
    600: '#2D9571',
    700: '#256952',
    800: '#1C4537',
    900: '#132A22',
  },
}

$base: #45EFB3;
$base-ink: #141310;
$base-50: #F0FEF9;
$base-100: #D8FDF0;
$base-200: #B4F8E0;
$base-300: #81EEC8;
$base-400: #53DFAE;
$base-500: #30C491;
$base-600: #2D9571;
$base-700: #256952;
$base-800: #1C4537;
$base-900: #132A22;
$base-hover: #14E199;
$base-subtle: #CDF4E6;

{
    "color": {
        "base": {
            "value": "#45EFB3",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF9",
                "type": "color"
            },
            "100": {
                "value": "#D8FDF0",
                "type": "color"
            },
            "200": {
                "value": "#B4F8E0",
                "type": "color"
            },
            "300": {
                "value": "#81EEC8",
                "type": "color"
            },
            "400": {
                "value": "#53DFAE",
                "type": "color"
            },
            "500": {
                "value": "#30C491",
                "type": "color"
            },
            "600": {
                "value": "#2D9571",
                "type": "color"
            },
            "700": {
                "value": "#256952",
                "type": "color"
            },
            "800": {
                "value": "#1C4537",
                "type": "color"
            },
            "900": {
                "value": "#132A22",
                "type": "color"
            }
        }
    }
}

Palettes built on #45EFB3

Color Lab

Pairs with #45EFB3

UI roles & guardrails

In real applications

Scales

Every model

Export