Nearest named color: Seafoam Green
#3EF0BB
#3EF0BB
Nearest named
Seafoam Green
Family
Green
Lightness
85.5%
Chroma
0.159
Hue angle
167.9°
Temperature
Cool
Contrast on white
1.46:1 · Fail
Contrast on black
12.73:1 · AAA
Web-safe
#33FFCC
CSS oklch()
85% 0.16 168

#3EF0BB is a mid-toned, cool teal. On the Color Lab it reads bold and ownable. It is too pale to lead as a primary accent and sits well as a supporting tone.

Palettes built on #3EF0BB

Not just a swatch — here's how #3EF0BB works with other colors. Named schemes with #3EF0BB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Seafoam 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

Seafoam 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

This palette keeps Seafoam Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Botanical Studio Lead · 5 colors

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

Minimal Editorial Surface · 5 colors

Seafoam 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 Seafoam Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #3EF0BB 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 28/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 59/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 15/100
Very low
Airy and open — recedes, leaves the composition light.
Naturalness 46/100
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 70/100
High
Prints close, with a slight loss of vibrancy.

Pairs with #3EF0BB

For UI
For branding
For interior
For fashion

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 12.7:1. Use
Subtle surface Use #DDF7EF for cards and hover fills. Tint 80
Avoid beside #3DEAF0 — 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 #3EF0BB 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

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #3EF0BB;
  --color-base-rgb: 62 240 187;
  --color-base-oklch: oklch(85.5% 0.159 167.9);
  --color-50: #F0FEFA;
  --color-100: #D8FDF2;
  --color-200: #B3F9E4;
  --color-300: #80EFCE;
  --color-400: #52E0B5;
  --color-500: #2FC699;
  --color-600: #2B9676;
  --color-700: #256A55;
  --color-800: #1C4539;
  --color-900: #132A23;
  --color-on-base: #141310;
}