Nearest named color: Medium Spring Green
#3EFFA2
#3EFFA2
Nearest named
Medium Spring Green
Family
Green
Lightness
88.6%
Chroma
0.197
Hue angle
156.5°
Temperature
Cool
Contrast on white
1.31:1 · Fail
Contrast on black
14.18:1 · AAA
Web-safe
#33FF99
CSS oklch()
89% 0.20 157

#3EFFA2 is a mid-toned, cool teal-green. 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 #3EFFA2

Not just a swatch — here's how #3EFFA2 works with other colors. Named schemes with #3EFFA2 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Medium Spring Green 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

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

Botanical Studio Lead · 5 colors

Medium Spring 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

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.

Japanese Sand Base · 5 colors

Medium Spring Green 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.

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Color Lab

How #3EFFA2 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 36/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 54/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 12/100
Very low
Airy and open — recedes, leaves the composition light.
Naturalness 31/100
Low
Loosely natural — an earthy edge without being rustic.
Vintage feel 15/100
Very low
Clean and current — no dusty, aged cast.
Luxury 16/100
Very low
Playful and accessible rather than exclusive.
Brand distinctiveness 76/100
High
Bold and ownable — memorable as a primary brand color.
UI accent fit 10/100
Very low
Weak as an action color — too pale, too dark or too muted to signal.
Surface fit 44/100
Moderate
Usable as a tinted surface in measured doses.
Print safety 59/100
Moderate
Prints close, with a slight loss of vibrancy.

Pairs with #3EFFA2

For UI
For branding
For interior
For fashion
People also use #3EFFA2 with

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 14.2:1. Use
Subtle surface Use #DEFAEC for cards and hover fills. Tint 80
Avoid beside #3DFFE2 — 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 #3EFFA2 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: #3EFFA2;
  --color-base-rgb: 62 255 162;
  --color-base-oklch: oklch(88.6% 0.197 156.5);
  --color-50: #F0FEF8;
  --color-100: #D8FDEB;
  --color-200: #B1FCD7;
  --color-300: #77F8BA;
  --color-400: #46EC9C;
  --color-500: #22D27D;
  --color-600: #239F63;
  --color-700: #1F7049;
  --color-800: #184831;
  --color-900: #112C1F;
  --color-on-base: #141310;
}