#FEF37F#FEF37F

#FEF37F is a very light, vivid yellow. Relative luminance 0.867; OKLCH L 95.0% C 0.138 H 103.8°. Best body text is #000000 at 18.34:1 contrast (WCAG AA passes).

Color values

HEX	#FEF37F
RGB	rgb(254, 243, 127)
HSL	hsl(55, 98%, 75%)
HSV	hsv(55, 50%, 100%)
CMYK	cmyk(0%, 4.3%, 50%, 0.4%)
CIE-LAB	lab(94.61, -11.17, 56.69)
CIE-LCH	lch(94.61, 57.78, 101.14°)
OKLab	oklab(94.97% -0.033 0.134)
OKLCH	oklch(94.97% 0.138 103.8)
XYZ	xyz(76.7565, 86.7067, 32.7674)
Luminance	0.8670 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF37F #7F8AFE

analogous

#FEB37F #FEF37F #CAFE7F

triadic

#FEF37F #7FFEF3 #F37FFE

tetradic

#FEF37F #7FFEB3 #7F8AFE #FE7FCA

square

#FEF37F #7FFEB3 #7F8AFE #FE7FCA

split-complementary

#FEF37F #7FCAFE #B37FFE

monochromatic

#FDE806 #FEED42 #FEF37F #FEF9BC #FFFCE1

Accessibility & contrast

On white

1.14

#FEF37F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.34

#FEF37F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF37F

18.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF37F	#FFFFFF	#000000	##000000
##FEF37F	1.00	1.14	18.34	18.34
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.34	21.00	1.00	1.00
##000000	18.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC75

Deuteranopia (green-blind)

#FFF284

Tritanopia (blue-blind)

#FFE6D8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fef37f;
/* rgb */ color: rgb(254, 243, 127);
/* oklch */ color: oklch(95.0% 0.138 103.8);

Tailwind

colors: {
  custom: {
    50: '#fff6a7',
    500: '#fef37f',
    950: '#000000',
  },
}

SCSS

$custom: #fef37f;
$custom-light: #fff6a7;
$custom-dark: #000000;

JSON

{
  "hex": "#fef37f",
  "rgb": {
    "r": 254,
    "g": 243,
    "b": 127
  },
  "hsl": {
    "h": 54.803,
    "s": 98.45,
    "l": 74.706
  },
  "oklch": {
    "l": 0.9497,
    "c": 0.13804,
    "h": 103.8
  },
  "luminance": 0.86704
}

Semantic roles & 50–950 ramp

primary

#FEF37F

secondary

#4552DD

accent

#14E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#181710

muted

#868580

Preview Lab

Preview with #FEF37F

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

Preview Lab → · Contrast checker → · Palette generator →