Nearest named color: Yellow Green
#90E640
#90E640
Nearest named
Yellow Green
Family
Green
Lightness
83.9%
Chroma
0.211
Hue angle
133.3°
Temperature
Neutral-leaning
Contrast on white
1.55:1 · Fail
Contrast on black
12.01:1 · AAA
Web-safe
#99FF33
CSS oklch()
84% 0.21 133

#90E640 is a mid-toned, temperate 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 #90E640

Not just a swatch — here's how #90E640 works with other colors. Named schemes with #90E640 in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Yellow Green glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Japanese Sand Base · 5 colors

Yellow 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.

Warm Autumn Interior Dominant · 5 colors

This palette keeps Yellow 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

Yellow 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 Yellow Green carrying the quiet middle.

Luxury Packaging Feature · 5 colors

Yellow Green carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Build a working theme in the generator →

Color Lab

How #90E640 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 56/100
Neutral
Balanced temperature — flexible, sits between warm and cool schemes.
Softness 49/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 17/100
Very low
Airy and open — recedes, leaves the composition light.
Naturalness 28/100
Low
Loosely natural — an earthy edge without being rustic.
Vintage feel 16/100
Very low
Clean and current — no dusty, aged cast.
Luxury 20/100
Low
Playful and accessible rather than exclusive.
Brand distinctiveness 81/100
Very 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 40/100
Low
Usable as a tinted surface in measured doses.
Print safety 54/100
Moderate
Prints close, with a slight loss of vibrancy.

Pairs with #90E640

For UI
For branding
For interior
For fashion
People also use #90E640 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 12.0:1. Use
Subtle surface Use #E9F5DE for cards and hover fills. Tint 80
Avoid beside #5AE641 — 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 #90E640 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: #90E640;
  --color-base-rgb: 144 230 64;
  --color-base-oklch: oklch(83.9% 0.211 133.3);
  --color-50: #F7FEF1;
  --color-100: #EAFBDA;
  --color-200: #D5F5B7;
  --color-300: #B6E986;
  --color-400: #97D959;
  --color-500: #78BE37;
  --color-600: #5F9131;
  --color-700: #466628;
  --color-800: #30431E;
  --color-900: #1E2914;
  --color-on-base: #141310;
}