Nearest named color: Cyan
#3FF3E4
#3FF3E4
Nearest named
Cyan
Family
Blue
Lightness
87.4%
Chroma
0.141
Hue angle
186.5°
Temperature
Cool
Contrast on white
1.39:1 · Fail
Contrast on black
13.40:1 · AAA
Web-safe
#33FFCC
CSS oklch()
87% 0.14 186

#3FF3E4 is a soft, cool cyan. It is too pale to lead as a primary accent and sits well as a supporting tone.

Palettes built on #3FF3E4

Not just a swatch — here's how #3FF3E4 works with other colors. Named schemes with #3FF3E4 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Cyan 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

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

Minimal Editorial Surface · 5 colors

Cyan 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 Cyan carrying the quiet middle.

Tech Product Signal · 5 colors

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

Modern Café Dominant · 5 colors

Cyan anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

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Color Lab

How #3FF3E4 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 20/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 63/100
High
Soft and easy on the eye — gentle backdrops, calm surfaces.
Depth 13/100
Very low
Airy and open — recedes, leaves the composition light.
Naturalness 24/100
Low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 24/100
Low
Clean and current — no dusty, aged cast.
Luxury 18/100
Very low
Playful and accessible rather than exclusive.
Brand distinctiveness 54/100
Moderate
Recognisable but shares space with nearby hues.
UI accent fit 13/100
Very low
Weak as an action color — too pale, too dark or too muted to signal.
Surface fit 45/100
Moderate
Usable as a tinted surface in measured doses.
Print safety 67/100
High
Prints close, with a slight loss of vibrancy.

Pairs with #3FF3E4

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 13.4:1. Use
Subtle surface Use #DEF8F5 for cards and hover fills. Tint 80
Avoid beside #3FC6F3 — 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 #3FF3E4 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: #3FF3E4;
  --color-base-rgb: 63 243 228;
  --color-base-oklch: oklch(87.4% 0.141 186.5);
  --color-50: #F0FEFD;
  --color-100: #D8FDFA;
  --color-200: #B2FAF4;
  --color-300: #7FF0E7;
  --color-400: #50E2D6;
  --color-500: #2DC8BB;
  --color-600: #2A988F;
  --color-700: #246B65;
  --color-800: #1B4642;
  --color-900: #132B29;
  --color-on-base: #141310;
}