#FEFF53#FEFF53

#FEFF53 is a very light, vivid yellow. Relative luminance 0.932; OKLCH L 97.0% C 0.185 H 109.7°. Best body text is #000000 at 19.64:1 contrast (WCAG AA passes).

Color values

HEX	#FEFF53
RGB	rgb(254, 255, 83)
HSL	hsl(60, 100%, 66%)
HSV	hsv(60, 67%, 100%)
CMYK	cmyk(0.4%, 0%, 67.5%, 0%)
CIE-LAB	lab(97.32, -19.92, 77.91)
CIE-LCH	lch(97.32, 80.42, 104.34°)
OKLab	oklab(97% -0.0623 0.1738)
OKLCH	oklch(97% 0.185 109.7)
XYZ	xyz(78.1970, 93.2176, 22.0556)
Luminance	0.9322 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEFF53 #5453FF

analogous

#FFAA53 #FEFF53 #A8FF53

triadic

#FEFF53 #53FEFF #FF53FE

tetradic

#FEFF53 #53FFAA #5453FF #FF53A8

square

#FEFF53 #53FFAA #5453FF #FF53A8

split-complementary

#FEFF53 #53A8FF #AA53FF

monochromatic

#D6D800 #FEFF16 #FEFF53 #FEFF90 #FFFFCD

Accessibility & contrast

On white

1.07

#FEFF53 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.64

#FEFF53 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEFF53

19.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEFF53	#FFFFFF	#000000	##000000
##FEFF53	1.00	1.07	19.64	19.64
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.64	21.00	1.00	1.00
##000000	19.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF438

Deuteranopia (green-blind)

#FFFA5F

Tritanopia (blue-blind)

#FFEFDD

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #feff53;
/* rgb */ color: rgb(254, 255, 83);
/* oklch */ color: oklch(97.0% 0.185 109.7);

Tailwind

colors: {
  custom: {
    50: '#ffff8d',
    500: '#feff53',
    950: '#000000',
  },
}

SCSS

$custom: #feff53;
$custom-light: #ffff8d;
$custom-dark: #000000;

JSON

{
  "hex": "#feff53",
  "rgb": {
    "r": 254,
    "g": 255,
    "b": 83
  },
  "hsl": {
    "h": 60.349,
    "s": 100,
    "l": 66.275
  },
  "oklch": {
    "l": 0.97001,
    "c": 0.18466,
    "h": 109.7
  },
  "luminance": 0.93215
}

Semantic roles & 50–950 ramp

primary

#FEFF53

secondary

#2625D1

accent

#00E601

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FEFF53

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

Preview Lab → · Contrast checker → · Palette generator →