#FCEF55#FCEF55

#FCEF55 is a very light, vivid yellow. Relative luminance 0.831; OKLCH L 93.6% C 0.169 H 104.5°. Best body text is #000000 at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#FCEF55
RGB	rgb(252, 239, 85)
HSL	hsl(55, 97%, 66%)
HSV	hsv(55, 66%, 99%)
CMYK	cmyk(0%, 5.2%, 66.3%, 1.2%)
CIE-LAB	lab(93.05, -12.89, 72.83)
CIE-LCH	lch(93.05, 73.96, 100.03°)
OKLab	oklab(93.57% -0.0422 0.1635)
OKLCH	oklch(93.57% 0.169 104.5)
XYZ	xyz(72.6539, 83.0871, 20.8029)
Luminance	0.8308 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCEF55 #5562FC

analogous

#FC9B55 #FCEF55 #B6FC55

triadic

#FCEF55 #55FCEF #EF55FC

tetradic

#FCEF55 #55FC9B #5562FC #FC55B6

square

#FCEF55 #55FC9B #5562FC #FC55B6

split-complementary

#FCEF55 #55B6FC #9B55FC

monochromatic

#D3C304 #FBE919 #FCEF55 #FDF591 #FEFACD

Accessibility & contrast

On white

1.19

#FCEF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.62

#FCEF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCEF55

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCEF55	#FFFFFF	#000000	##000000
##FCEF55	1.00	1.19	17.62	17.62
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.62	21.00	1.00	1.00
##000000	17.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE73F

Deuteranopia (green-blind)

#FFEE5F

Tritanopia (blue-blind)

#FFDFD0

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #fcef55;
/* rgb */ color: rgb(252, 239, 85);
/* oklch */ color: oklch(93.6% 0.169 104.5);

Tailwind

colors: {
  custom: {
    50: '#fff38d',
    500: '#fcef55',
    950: '#000000',
  },
}

SCSS

$custom: #fcef55;
$custom-light: #fff38d;
$custom-dark: #000000;

JSON

{
  "hex": "#fcef55",
  "rgb": {
    "r": 252,
    "g": 239,
    "b": 85
  },
  "hsl": {
    "h": 55.329,
    "s": 96.532,
    "l": 66.078
  },
  "oklch": {
    "l": 0.93568,
    "c": 0.16884,
    "h": 104.5
  },
  "luminance": 0.83084
}

Semantic roles & 50–950 ramp

primary

#FCEF55

secondary

#2835CD

accent

#12E600

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FCEF55

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

Preview Lab → · Contrast checker → · Palette generator →