#FCEF79#FCEF79

#FCEF79 is a very light, vivid yellow. Relative luminance 0.838; OKLCH L 93.9% C 0.140 H 103.0°. Best body text is #000000 at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#FCEF79
RGB	rgb(252, 239, 121)
HSL	hsl(54, 96%, 73%)
HSV	hsv(54, 52%, 99%)
CMYK	cmyk(0%, 5.2%, 52%, 1.2%)
CIE-LAB	lab(93.37, -10.48, 57.93)
CIE-LCH	lch(93.37, 58.87, 100.25°)
OKLab	oklab(93.92% -0.0315 0.1363)
OKLCH	oklch(93.92% 0.14 103)
XYZ	xyz(74.4648, 83.8114, 30.3402)
Luminance	0.8381 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCEF79 #7986FC

analogous

#FCAD79 #FCEF79 #C7FC79

triadic

#FCEF79 #79FCEF #EF79FC

tetradic

#FCEF79 #79FCAD #7986FC #FC79C7

square

#FCEF79 #79FCAD #7986FC #FC79C7

split-complementary

#FCEF79 #79C7FC #AD79FC

monochromatic

#F5DD05 #FBE83D #FCEF79 #FDF6B5 #FEFBE1

Accessibility & contrast

On white

1.18

#FCEF79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.76

#FCEF79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCEF79

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCEF79	#FFFFFF	#000000	##000000
##FCEF79	1.00	1.18	17.76	17.76
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.76	21.00	1.00	1.00
##000000	17.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE86E

Deuteranopia (green-blind)

#FFEF7F

Tritanopia (blue-blind)

#FFE1D4

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #fcef79;
/* rgb */ color: rgb(252, 239, 121);
/* oklch */ color: oklch(93.9% 0.140 103.0);

Tailwind

colors: {
  custom: {
    50: '#fff4a3',
    500: '#fcef79',
    950: '#000000',
  },
}

SCSS

$custom: #fcef79;
$custom-light: #fff4a3;
$custom-dark: #000000;

JSON

{
  "hex": "#fcef79",
  "rgb": {
    "r": 252,
    "g": 239,
    "b": 121
  },
  "hsl": {
    "h": 54.046,
    "s": 95.62,
    "l": 73.137
  },
  "oklch": {
    "l": 0.93921,
    "c": 0.13985,
    "h": 103
  },
  "luminance": 0.83809
}

Semantic roles & 50–950 ramp

primary

#FCEF79

secondary

#404FD9

accent

#17E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FCEF79

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

Preview Lab → · Contrast checker → · Palette generator →