#FEF409#FEF409

#FEF409 is a very light, highly saturated yellow. Relative luminance 0.858; OKLCH L 94.5% C 0.201 H 106.6°. Best body text is #000000 at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#FEF409
RGB	rgb(254, 244, 9)
HSL	hsl(58, 99%, 52%)
HSV	hsv(58, 96%, 100%)
CMYK	cmyk(0%, 3.9%, 96.5%, 0.4%)
CIE-LAB	lab(94.22, -16.63, 91.66)
CIE-LCH	lch(94.22, 93.16, 100.29°)
OKLab	oklab(94.45% -0.0576 0.1928)
OKLCH	oklch(94.45% 0.201 106.6)
XYZ	xyz(73.2765, 85.7948, 12.9586)
Luminance	0.8579 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF409 #0913FE

analogous

#FE7A09 #FEF409 #8EFE09

triadic

#FEF409 #09FEF4 #F409FE

tetradic

#FEF409 #09FE7A #0913FE #FE098E

square

#FEF409 #09FE7A #0913FE #FE098E

split-complementary

#FEF409 #098EFE #7A09FE

monochromatic

#8C8601 #C9C101 #FEF409 #FEF746 #FEF983

Accessibility & contrast

On white

1.16

#FEF409 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.16

#FEF409 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF409

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF409	#FFFFFF	#000000	##000000
##FEF409	1.00	1.16	18.16	18.16
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.16	21.00	1.00	1.00
##000000	18.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA00

Deuteranopia (green-blind)

#FFF230

Tritanopia (blue-blind)

#FFE3D0

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #fef409;
/* rgb */ color: rgb(254, 244, 9);
/* oklch */ color: oklch(94.5% 0.201 106.6);

Tailwind

colors: {
  custom: {
    50: '#fff772',
    500: '#fef409',
    950: '#000000',
  },
}

SCSS

$custom: #fef409;
$custom-light: #fff772;
$custom-dark: #000000;

JSON

{
  "hex": "#fef409",
  "rgb": {
    "r": 254,
    "g": 244,
    "b": 9
  },
  "hsl": {
    "h": 57.551,
    "s": 99.19,
    "l": 51.569
  },
  "oklch": {
    "l": 0.94454,
    "c": 0.20118,
    "h": 106.6
  },
  "luminance": 0.85792
}

Semantic roles & 50–950 ramp

primary

#FEF409

secondary

#1A1F91

accent

#32FF29

background

#FFFFFB

surface

#FFFEF1

border

#D7D6CB

text

#19170A

muted

#87857D

Preview Lab

Preview with #FEF409

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

Preview Lab → · Contrast checker → · Palette generator →