#FEFF58#FEFF58

#FEFF58 is a very light, vivid yellow. Relative luminance 0.933; OKLCH L 97.0% C 0.181 H 109.7°. Best body text is #000000 at 19.66:1 contrast (WCAG AA passes).

Color values

HEX	#FEFF58
RGB	rgb(254, 255, 88)
HSL	hsl(60, 100%, 67%)
HSV	hsv(60, 65%, 100%)
CMYK	cmyk(0.4%, 0%, 65.5%, 0%)
CIE-LAB	lab(97.35, -19.66, 76.13)
CIE-LCH	lch(97.35, 78.63, 104.48°)
OKLab	oklab(97.04% -0.0611 0.1708)
OKLCH	oklch(97.04% 0.181 109.7)
XYZ	xyz(78.3971, 93.2976, 23.1092)
Luminance	0.9329 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEFF58 #5958FF

analogous

#FFAC58 #FEFF58 #ABFF58

triadic

#FEFF58 #58FEFF #FF58FE

tetradic

#FEFF58 #58FFAC #5958FF #FF58AB

square

#FEFF58 #58FFAC #5958FF #FF58AB

split-complementary

#FEFF58 #58ABFF #AC58FF

monochromatic

#DBDD00 #FEFF1B #FEFF58 #FEFF95 #FFFFD2

Accessibility & contrast

On white

1.07

#FEFF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.66

#FEFF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEFF58

19.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEFF58	#FFFFFF	#000000	##000000
##FEFF58	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)

#FFF540

Deuteranopia (green-blind)

#FFFA63

Tritanopia (blue-blind)

#FFF0DD

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #feff58;
/* rgb */ color: rgb(254, 255, 88);
/* oklch */ color: oklch(97.0% 0.181 109.7);

Tailwind

colors: {
  custom: {
    50: '#ffff90',
    500: '#feff58',
    950: '#000000',
  },
}

SCSS

$custom: #feff58;
$custom-light: #ffff90;
$custom-dark: #000000;

JSON

{
  "hex": "#feff58",
  "rgb": {
    "r": 254,
    "g": 255,
    "b": 88
  },
  "hsl": {
    "h": 60.359,
    "s": 100,
    "l": 67.255
  },
  "oklch": {
    "l": 0.97037,
    "c": 0.18145,
    "h": 109.7
  },
  "luminance": 0.93295
}

Semantic roles & 50–950 ramp

primary

#FEFF58

secondary

#2726D6

accent

#00E601

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FEFF58

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

Preview Lab → · Contrast checker → · Palette generator →