#FEFF91#FEFF91

#FEFF91 is a very light, vivid yellow. Relative luminance 0.946; OKLCH L 97.6% C 0.133 H 109.1°. Best body text is #000000 at 19.93:1 contrast (WCAG AA passes).

Color values

HEX	#FEFF91
RGB	rgb(254, 255, 145)
HSL	hsl(61, 100%, 78%)
HSV	hsv(61, 43%, 100%)
CMYK	cmyk(0.4%, 0%, 43.1%, 0%)
CIE-LAB	lab(97.89, -15.40, 52.24)
CIE-LCH	lch(97.89, 54.46, 106.43°)
OKLab	oklab(97.64% -0.0434 0.1256)
OKLCH	oklch(97.64% 0.133 109.1)
XYZ	xyz(81.7453, 94.6369, 40.7431)
Luminance	0.9464 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEFF91 #9291FF

analogous

#FFC991 #FEFF91 #C7FF91

triadic

#FEFF91 #91FEFF #FF91FE

tetradic

#FEFF91 #91FFC9 #9291FF #FF91C7

square

#FEFF91 #91FFC9 #9291FF #FF91C7

split-complementary

#FEFF91 #91C7FF #C991FF

monochromatic

#FDFF17 #FDFF54 #FEFF91 #FFFFCE #FFFFE0

Accessibility & contrast

On white

1.05

#FEFF91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.93

#FEFF91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEFF91

19.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEFF91	#FFFFFF	#000000	##000000
##FEFF91	1.00	1.05	19.93	19.93
#FFFFFF	1.05	1.00	21.00	21.00
#000000	19.93	21.00	1.00	1.00
##000000	19.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF788

Deuteranopia (green-blind)

#FFFB96

Tritanopia (blue-blind)

#FFF3E5

Achromatopsia (no color)

#F9F9F9

Design tokens & code

CSS

--color: #feff91;
/* rgb */ color: rgb(254, 255, 145);
/* oklch */ color: oklch(97.6% 0.133 109.1);

Tailwind

colors: {
  custom: {
    50: '#ffffb3',
    500: '#feff91',
    950: '#000000',
  },
}

SCSS

$custom: #feff91;
$custom-light: #ffffb3;
$custom-dark: #000000;

JSON

{
  "hex": "#feff91",
  "rgb": {
    "r": 254,
    "g": 255,
    "b": 145
  },
  "hsl": {
    "h": 60.545,
    "s": 100,
    "l": 78.431
  },
  "oklch": {
    "l": 0.97642,
    "c": 0.13287,
    "h": 109.1
  },
  "luminance": 0.94635
}

Semantic roles & 50–950 ramp

primary

#FEFF91

secondary

#5553E1

accent

#00E602

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#181711

muted

#868581

Preview Lab

Preview with #FEFF91

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

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