#FEF181#FEF181

#FEF181 is a very light, vivid yellow. Relative luminance 0.856; OKLCH L 94.6% C 0.134 H 102.7°. Best body text is #000000 at 18.11:1 contrast (WCAG AA passes).

Color values

HEX	#FEF181
RGB	rgb(254, 241, 129)
HSL	hsl(54, 98%, 75%)
HSV	hsv(54, 49%, 100%)
CMYK	cmyk(0%, 5.1%, 49.2%, 0.4%)
CIE-LAB	lab(94.13, -10.01, 55.18)
CIE-LCH	lch(94.13, 56.08, 100.28°)
OKLab	oklab(94.59% -0.0295 0.1309)
OKLCH	oklch(94.59% 0.134 102.7)
XYZ	xyz(76.2929, 85.5689, 33.2622)
Luminance	0.8557 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF181 #818EFE

analogous

#FEB281 #FEF181 #CCFE81

triadic

#FEF181 #81FEF1 #F181FE

tetradic

#FEF181 #81FEB2 #818EFE #FE81CC

square

#FEF181 #81FEB2 #818EFE #FE81CC

split-complementary

#FEF181 #81CCFE #B281FE

monochromatic

#FDE408 #FEEA44 #FEF181 #FEF8BE #FFFCE1

Accessibility & contrast

On white

1.16

#FEF181 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.11

#FEF181 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF181

18.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF181	#FFFFFF	#000000	##000000
##FEF181	1.00	1.16	18.11	18.11
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.11	21.00	1.00	1.00
##000000	18.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB77

Deuteranopia (green-blind)

#FFF186

Tritanopia (blue-blind)

#FFE4D7

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #fef181;
/* rgb */ color: rgb(254, 241, 129);
/* oklch */ color: oklch(94.6% 0.134 102.7);

Tailwind

colors: {
  custom: {
    50: '#fff5a8',
    500: '#fef181',
    950: '#000000',
  },
}

SCSS

$custom: #fef181;
$custom-light: #fff5a8;
$custom-dark: #000000;

JSON

{
  "hex": "#fef181",
  "rgb": {
    "r": 254,
    "g": 241,
    "b": 129
  },
  "hsl": {
    "h": 53.76,
    "s": 98.425,
    "l": 75.098
  },
  "oklch": {
    "l": 0.94591,
    "c": 0.13419,
    "h": 102.7
  },
  "luminance": 0.85566
}

Semantic roles & 50–950 ramp

primary

#FEF181

secondary

#4656DD

accent

#18E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FEF181

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

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