#FEF379#FEF379

#FEF379 is a very light, vivid yellow. Relative luminance 0.866; OKLCH L 94.9% C 0.144 H 104.1°. Best body text is #000000 at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#FEF379
RGB	rgb(254, 243, 121)
HSL	hsl(55, 99%, 74%)
HSV	hsv(55, 52%, 100%)
CMYK	cmyk(0%, 4.3%, 52.4%, 0.4%)
CIE-LAB	lab(94.55, -11.66, 59.36)
CIE-LCH	lch(94.55, 60.49, 101.11°)
OKLab	oklab(94.9% -0.035 0.1393)
OKLCH	oklch(94.9% 0.144 104.1)
XYZ	xyz(76.3771, 86.5550, 30.7690)
Luminance	0.8655 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF379 #7984FE

analogous

#FEB079 #FEF379 #C6FE79

triadic

#FEF379 #79FEF3 #F379FE

tetradic

#FEF379 #79FEB0 #7984FE #FE79C6

square

#FEF379 #79FEB0 #7984FE #FE79C6

split-complementary

#FEF379 #79C6FE #B079FE

monochromatic

#FBE602 #FEEE3C #FEF379 #FEF8B6 #FFFCE1

Accessibility & contrast

On white

1.15

#FEF379 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.31

#FEF379 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF379

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF379	#FFFFFF	#000000	##000000
##FEF379	1.00	1.15	18.31	18.31
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.31	21.00	1.00	1.00
##000000	18.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC6D

Deuteranopia (green-blind)

#FFF27F

Tritanopia (blue-blind)

#FFE5D7

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fef379;
/* rgb */ color: rgb(254, 243, 121);
/* oklch */ color: oklch(94.9% 0.144 104.1);

Tailwind

colors: {
  custom: {
    50: '#fff6a3',
    500: '#fef379',
    950: '#000000',
  },
}

SCSS

$custom: #fef379;
$custom-light: #fff6a3;
$custom-dark: #000000;

JSON

{
  "hex": "#fef379",
  "rgb": {
    "r": 254,
    "g": 243,
    "b": 121
  },
  "hsl": {
    "h": 55.038,
    "s": 98.519,
    "l": 73.529
  },
  "oklch": {
    "l": 0.94898,
    "c": 0.14363,
    "h": 104.1
  },
  "luminance": 0.86552
}

Semantic roles & 50–950 ramp

primary

#FEF379

secondary

#3F4CDC

accent

#13E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF379

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

Preview Lab → · Contrast checker → · Palette generator →