#FFB404#FFB404

#FFB404 is a light, vivid orange. Relative luminance 0.539; OKLCH L 82.0% C 0.170 H 78.4°. Best body text is #000000 at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#FFB404
RGB	rgb(255, 180, 4)
HSL	hsl(42, 100%, 51%)
HSV	hsv(42, 98%, 100%)
CMYK	cmyk(0%, 29.4%, 98.4%, 0%)
CIE-LAB	lab(78.41, 16.14, 80.84)
CIE-LCH	lch(78.41, 82.43, 78.71°)
OKLab	oklab(81.98% 0.0343 0.1666)
OKLCH	oklch(81.98% 0.17 78.4)
XYZ	xyz(57.5877, 53.9164, 7.4888)
Luminance	0.5391 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFB404 #044FFF

analogous

#FF3604 #FFB404 #CCFF04

triadic

#FFB404 #04FFB4 #B404FF

tetradic

#FFB404 #04FF36 #044FFF #FF04CC

square

#FFB404 #04FF36 #044FFF #FF04CC

split-complementary

#FFB404 #04CCFF #3604FF

monochromatic

#896000 #C68B00 #FFB404 #FFC641 #FFD97E

Accessibility & contrast

On white

1.78

#FFB404 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.78

#FFB404 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFB404

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFB404	#FFFFFF	#000000	##000000
##FFB404	1.00	1.78	11.78	11.78
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.78	21.00	1.00	1.00
##000000	11.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B700

Deuteranopia (green-blind)

#E2C918

Tritanopia (blue-blind)

#FF9F99

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #ffb404;
/* rgb */ color: rgb(255, 180, 4);
/* oklch */ color: oklch(82.0% 0.170 78.4);

Tailwind

colors: {
  custom: {
    50: '#ffca67',
    500: '#ffb404',
    950: '#000000',
  },
}

SCSS

$custom: #ffb404;
$custom-light: #ffca67;
$custom-dark: #000000;

JSON

{
  "hex": "#ffb404",
  "rgb": {
    "r": 255,
    "g": 180,
    "b": 4
  },
  "hsl": {
    "h": 42.072,
    "s": 100,
    "l": 50.784
  },
  "oklch": {
    "l": 0.8198,
    "c": 0.17014,
    "h": 78.4
  },
  "luminance": 0.53911
}

Semantic roles & 50–950 ramp

primary

#FFB404

secondary

#193C8E

accent

#69FF29

background

#FFFDFB

surface

#FFF9F0

border

#D7D2CB

text

#1A1307

muted

#87827C

Preview Lab

Preview with #FFB404

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →