#FEF37C#FEF37C

#FEF37C is a very light, vivid yellow. Relative luminance 0.866; OKLCH L 94.9% C 0.141 H 104.0°. Best body text is #000000 at 18.33:1 contrast (WCAG AA passes).

Color values

HEX	#FEF37C
RGB	rgb(254, 243, 124)
HSL	hsl(55, 98%, 74%)
HSV	hsv(55, 51%, 100%)
CMYK	cmyk(0%, 4.3%, 51.2%, 0.4%)
CIE-LAB	lab(94.58, -11.41, 58.03)
CIE-LCH	lch(94.58, 59.14, 101.13°)
OKLab	oklab(94.93% -0.034 0.1367)
OKLCH	oklch(94.93% 0.141 104)
XYZ	xyz(76.5639, 86.6297, 31.7530)
Luminance	0.8663 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF37C #7C87FE

analogous

#FEB27C #FEF37C #C8FE7C

triadic

#FEF37C #7CFEF3 #F37CFE

tetradic

#FEF37C #7CFEB2 #7C87FE #FE7CC8

square

#FEF37C #7CFEB2 #7C87FE #FE7CC8

split-complementary

#FEF37C #7CC8FE #B27CFE

monochromatic

#FDE803 #FEED3F #FEF37C #FEF9B9 #FFFCE1

Accessibility & contrast

On white

1.15

#FEF37C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.33

#FEF37C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF37C

18.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF37C	#FFFFFF	#000000	##000000
##FEF37C	1.00	1.15	18.33	18.33
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.33	21.00	1.00	1.00
##000000	18.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC71

Deuteranopia (green-blind)

#FFF282

Tritanopia (blue-blind)

#FFE5D8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fef37c;
/* rgb */ color: rgb(254, 243, 124);
/* oklch */ color: oklch(94.9% 0.141 104.0);

Tailwind

colors: {
  custom: {
    50: '#fff6a5',
    500: '#fef37c',
    950: '#000000',
  },
}

SCSS

$custom: #fef37c;
$custom-light: #fff6a5;
$custom-dark: #000000;

JSON

{
  "hex": "#fef37c",
  "rgb": {
    "r": 254,
    "g": 243,
    "b": 124
  },
  "hsl": {
    "h": 54.923,
    "s": 98.485,
    "l": 74.118
  },
  "oklch": {
    "l": 0.94933,
    "c": 0.14087,
    "h": 104
  },
  "luminance": 0.86627
}

Semantic roles & 50–950 ramp

primary

#FEF37C

secondary

#424FDC

accent

#13E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF37C

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

Preview Lab → · Contrast checker → · Palette generator →