Nearest named color: Topaz
#EFC381
#EFC381
Nearest named
Topaz
Family
Orange
Lightness
84.1%
Chroma
0.097
Hue angle
77.0°
Temperature
Warm
Contrast on white
1.64:1 · Fail
Contrast on black
11.32:1 · AAA
Web-safe
#FFCC99
CSS oklch()
84% 0.10 77

#EFC381 is a soft, warm lime green. On the Color Lab it reads organic and grounded. It is too pale to lead as a primary accent and reproduces cleanly in print.

Palettes built on #EFC381

Not just a swatch — here's how #EFC381 works with other colors. Named schemes with #EFC381 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

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

Desert Clay Center · 5 colors

Topaz holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Coastal Morning Lead · 5 colors

Topaz opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Japanese Sand Base · 5 colors

Topaz 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.

Minimal Editorial Surface · 5 colors

Topaz 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 Topaz carrying the quiet middle.

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Color Lab

How #EFC381 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 76/100
Warm
Reads warm and advancing — inviting, energetic, draws the eye forward.
Softness 69/100
High
Soft and easy on the eye — gentle backdrops, calm surfaces.
Depth 16/100
Very low
Airy and open — recedes, leaves the composition light.
Naturalness 100/100
Very high
Organic, earthy character — at home in wellness, food and craft brands.
Vintage feel 52/100
Moderate
A faint retro warmth without tipping into sepia.
Luxury 23/100
Low
Playful and accessible rather than exclusive.
Brand distinctiveness 38/100
Low
Recognisable but shares space with nearby hues.
UI accent fit 17/100
Very low
Weak as an action color — too pale, too dark or too muted to signal.
Surface fit 55/100
Moderate
Usable as a tinted surface in measured doses.
Print safety 87/100
Very high
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #EFC381

For UI
For branding
For interior
For fashion
People also use #EFC381 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 11.3:1. Use
Subtle surface Use #F9F2E9 for cards and hover fills. Tint 80
Avoid beside #EFE781 — 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 #EFC381 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: #EFC381;
  --color-base-rgb: 239 195 129;
  --color-base-oklch: oklch(84.1% 0.097 77.0);
  --color-50: #FEF9F1;
  --color-100: #FBEEDA;
  --color-200: #F5DCB7;
  --color-300: #E9C286;
  --color-400: #D9A659;
  --color-500: #BE8837;
  --color-600: #916A31;
  --color-700: #664E28;
  --color-800: #43341E;
  --color-900: #292114;
  --color-on-base: #141310;
}