#FEF491#FEF491

#FEF491 is a very light, vivid yellow. Relative luminance 0.878; OKLCH L 95.4% C 0.121 H 103.4°. Best body text is #000000 at 18.56:1 contrast (WCAG AA passes).

Color values

HEX	#FEF491
RGB	rgb(254, 244, 145)
HSL	hsl(54, 98%, 78%)
HSV	hsv(54, 43%, 100%)
CMYK	cmyk(0%, 3.9%, 42.9%, 0.4%)
CIE-LAB	lab(95.08, -10.02, 48.76)
CIE-LCH	lch(95.08, 49.78, 101.62°)
OKLab	oklab(95.41% -0.028 0.1178)
OKLCH	oklch(95.41% 0.121 103.4)
XYZ	xyz(78.3362, 87.8187, 39.6068)
Luminance	0.8782 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF491 #919BFE

analogous

#FEBD91 #FEF491 #D2FE91

triadic

#FEF491 #91FEF4 #F491FE

tetradic

#FEF491 #91FEBD #919BFE #FE91D2

square

#FEF491 #91FEBD #919BFE #FE91D2

split-complementary

#FEF491 #91D2FE #BD91FE

monochromatic

#FDE818 #FDEE54 #FEF491 #FFFACE #FFFCE1

Accessibility & contrast

On white

1.13

#FEF491 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.56

#FEF491 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF491

18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF491	#FFFFFF	#000000	##000000
##FEF491	1.00	1.13	18.56	18.56
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.56	21.00	1.00	1.00
##000000	18.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE89

Deuteranopia (green-blind)

#FFF395

Tritanopia (blue-blind)

#FFE8DC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fef491;
/* rgb */ color: rgb(254, 244, 145);
/* oklch */ color: oklch(95.4% 0.121 103.4);

Tailwind

colors: {
  custom: {
    50: '#fff7b3',
    500: '#fef491',
    950: '#000000',
  },
}

SCSS

$custom: #fef491;
$custom-light: #fff7b3;
$custom-dark: #000000;

JSON

{
  "hex": "#fef491",
  "rgb": {
    "r": 254,
    "g": 244,
    "b": 145
  },
  "hsl": {
    "h": 54.495,
    "s": 98.198,
    "l": 78.235
  },
  "oklch": {
    "l": 0.95414,
    "c": 0.12106,
    "h": 103.4
  },
  "luminance": 0.87817
}

Semantic roles & 50–950 ramp

primary

#FEF491

secondary

#5461DF

accent

#15E600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181711

muted

#868581

Preview Lab

Preview with #FEF491

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

Preview Lab → · Contrast checker → · Palette generator →