#FEFF57#FEFF57

#FEFF57 is a very light, vivid yellow. Relative luminance 0.933; OKLCH L 97.0% C 0.182 H 109.7°. Best body text is #000000 at 19.66:1 contrast (WCAG AA passes).

Color values

HEX	#FEFF57
RGB	rgb(254, 255, 87)
HSL	hsl(60, 100%, 67%)
HSV	hsv(60, 66%, 100%)
CMYK	cmyk(0.4%, 0%, 65.9%, 0%)
CIE-LAB	lab(97.34, -19.71, 76.49)
CIE-LCH	lch(97.34, 78.99, 104.45°)
OKLab	oklab(97.03% -0.0614 0.1715)
OKLCH	oklch(97.03% 0.182 109.7)
XYZ	xyz(78.3560, 93.2812, 22.8925)
Luminance	0.9328 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEFF57 #5857FF

analogous

#FFAC57 #FEFF57 #AAFF57

triadic

#FEFF57 #57FEFF #FF57FE

tetradic

#FEFF57 #57FFAC #5857FF #FF57AA

square

#FEFF57 #57FFAC #5857FF #FF57AA

split-complementary

#FEFF57 #57AAFF #AC57FF

monochromatic

#DADC00 #FEFF1A #FEFF57 #FEFF94 #FFFFD1

Accessibility & contrast

On white

1.07

#FEFF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.66

#FEFF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEFF57

19.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEFF57	#FFFFFF	#000000	##000000
##FEFF57	1.00	1.07	19.66	19.66
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.66	21.00	1.00	1.00
##000000	19.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF53E

Deuteranopia (green-blind)

#FFFA63

Tritanopia (blue-blind)

#FFEFDD

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #feff57;
/* rgb */ color: rgb(254, 255, 87);
/* oklch */ color: oklch(97.0% 0.182 109.7);

Tailwind

colors: {
  custom: {
    50: '#ffff8f',
    500: '#feff57',
    950: '#000000',
  },
}

SCSS

$custom: #feff57;
$custom-light: #ffff8f;
$custom-dark: #000000;

JSON

{
  "hex": "#feff57",
  "rgb": {
    "r": 254,
    "g": 255,
    "b": 87
  },
  "hsl": {
    "h": 60.357,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.9703,
    "c": 0.1821,
    "h": 109.7
  },
  "luminance": 0.93279
}

Semantic roles & 50–950 ramp

primary

#FEFF57

secondary

#2726D5

accent

#00E601

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FEFF57

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

Preview Lab → · Contrast checker → · Palette generator →