Skip to content

Amber #ffbf00

Fossilized light.

RGB
255, 191, 0
HSL
45°, 100%, 50%
CMYK
0, 25, 100, 0
Luminance
0.5852

About Amber

Amber, #ffbf00, is gold’s organic cousin — named for fossilized tree resin that traps forty-million-year-old sunlight (and the occasional prehistoric insect). Between yellow and orange, it is warmth with a glow source.

History

Baltic amber traveled ancient trade routes so heavily they’re called the Amber Roads; the gem furnished an entire legendary room — the Amber Room — looted in WWII and never found. Modern life standardized amber twice: traffic signals and instrument warning lights.

Psychology

Amber is attention with warmth — the “prepare” state between green’s go and red’s stop. It reads golden-hour cozy in interiors and honest-warning in interfaces: one hue, two fluent dialects.

In design

Amber is dark UI’s best warning family (#f59e0b, #fbbf24 — this hub’s construction tools run on it) and whiskey-toned branding’s core. On white it needs darkening for text; on slate it glows. Pair with charcoal, cream, walnut and deep green.

In culture

Amber alerts, amber nectar, insects in amber: preservation and warning share the word. Jurassic Park built a franchise on a mosquito in this color.

Brands that own amber

Shades of amber

Every format

HEX#ffbf00
RGBrgb(255, 191, 0)
HSLhsl(45, 100%, 50%)
CMYKcmyk(0%, 25%, 100%, 0%)
LABlab(81.0 10.4 83.0)
LCHlch(81.0 83.7 82.9)
OKLCHoklch(0.840 0.172 84.1)

Copy-ready code

/* CSS */
color: #ffbf00;
background-color: #ffbf00;
/* Tailwind (arbitrary) */
class="text-[#ffbf00] bg-[#ffbf00]"
/* SCSS */
$brand: #ffbf00;
/* SwiftUI */
Color(red: 1.000, green: 0.749, blue: 0.000)
/* Android */
Color.parseColor("#ffbf00")

Accessibility — WCAG contrast

Aa
#ffbf00 on white: 1.65:1
AA ✗ fail · AA-large · AAA
Aa
#ffbf00 on black: 12.70:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red100.0%
Green74.9%
Blue0.0%

CMYK percentages

Cyan0.0%
Magenta25.1%
Yellow100.0%
Key (black)0.0%

Color previews

#ffbf00 text on a black background

contrast 12.70:1

Card sample

#ffbf00 text on a white background

contrast 1.65:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #ffbf00;
Background color
Panel with #ffbf00 background
background-color: #ffbf00;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #ffbf00;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(255, 191, 0, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 191, 0, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ffbf00;
background: linear-gradient(135deg, #ffbf00, #95FF00);

Monochromatic scale

Palettes built from #ffbf00

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Amber, answered

What is the hex code for amber?

Amber is #ffbf00 — exactly midway between yellow and orange. UI ambers include #f59e0b and #fbbf24 (Tailwind amber-500/400).

Why are warning lights amber?

Amber sits at peak visibility between attention-grabbing red and all-clear green, and it penetrates fog and rain better than white — standardized in traffic signaling worldwide.

What colors pair with amber?

Charcoal and slate (interfaces), cream and walnut (whiskey warmth), deep green (heritage), navy for high-contrast confidence.

Work with #ffbf00 in the Color Lab