#FEF37A#FEF37A

#FEF37A is a very light, vivid yellow. Relative luminance 0.866; OKLCH L 94.9% C 0.143 H 104.1°. Best body text is #000000 at 18.32:1 contrast (WCAG AA passes).

Color values

HEX	#FEF37A
RGB	rgb(254, 243, 122)
HSL	hsl(55, 99%, 74%)
HSV	hsv(55, 52%, 100%)
CMYK	cmyk(0%, 4.3%, 52%, 0.4%)
CIE-LAB	lab(94.56, -11.58, 58.92)
CIE-LCH	lch(94.56, 60.04, 101.12°)
OKLab	oklab(94.91% -0.0347 0.1384)
OKLCH	oklch(94.91% 0.143 104.1)
XYZ	xyz(76.4387, 86.5796, 31.0936)
Luminance	0.8658 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF37A #7A85FE

analogous

#FEB17A #FEF37A #C7FE7A

triadic

#FEF37A #7AFEF3 #F37AFE

tetradic

#FEF37A #7AFEB1 #7A85FE #FE7AC7

square

#FEF37A #7AFEB1 #7A85FE #FE7AC7

split-complementary

#FEF37A #7AC7FE #B17AFE

monochromatic

#FCE702 #FEEE3D #FEF37A #FEF8B7 #FFFCE1

Accessibility & contrast

On white

1.15

#FEF37A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.32

#FEF37A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF37A

18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF37A	#FFFFFF	#000000	##000000
##FEF37A	1.00	1.15	18.32	18.32
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.32	21.00	1.00	1.00
##000000	18.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC6F

Deuteranopia (green-blind)

#FFF280

Tritanopia (blue-blind)

#FFE5D8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fef37a;
/* rgb */ color: rgb(254, 243, 122);
/* oklch */ color: oklch(94.9% 0.143 104.1);

Tailwind

colors: {
  custom: {
    50: '#fff6a3',
    500: '#fef37a',
    950: '#000000',
  },
}

SCSS

$custom: #fef37a;
$custom-light: #fff6a3;
$custom-dark: #000000;

JSON

{
  "hex": "#fef37a",
  "rgb": {
    "r": 254,
    "g": 243,
    "b": 122
  },
  "hsl": {
    "h": 55,
    "s": 98.507,
    "l": 73.725
  },
  "oklch": {
    "l": 0.9491,
    "c": 0.14272,
    "h": 104.1
  },
  "luminance": 0.86577
}

Semantic roles & 50–950 ramp

primary

#FEF37A

secondary

#404DDC

accent

#13E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF37A

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

Preview Lab → · Contrast checker → · Palette generator →