#F9EF81#F9EF81

#F9EF81 is a very light, vivid yellow. Relative luminance 0.835; OKLCH L 93.8% C 0.132 H 104.0°. Best body text is #000000 at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#F9EF81
RGB	rgb(249, 239, 129)
HSL	hsl(55, 91%, 74%)
HSV	hsv(55, 48%, 98%)
CMYK	cmyk(0%, 4%, 48.2%, 2.4%)
CIE-LAB	lab(93.22, -10.99, 53.98)
CIE-LCH	lch(93.22, 55.09, 101.51°)
OKLab	oklab(93.77% -0.032 0.1284)
OKLCH	oklch(93.77% 0.132 104)
XYZ	xyz(73.8978, 83.4600, 32.9813)
Luminance	0.8346 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9EF81 #818BF9

analogous

#F9B381 #F9EF81 #C7F981

triadic

#F9EF81 #81F9EF #EF81F9

tetradic

#F9EF81 #81F9B3 #818BF9 #F981C7

square

#F9EF81 #81F9B3 #818BF9 #F981C7

split-complementary

#F9EF81 #81C7F9 #B381F9

monochromatic

#F3E00C #F6E847 #F9EF81 #FCF6BB #FEFBE2

Accessibility & contrast

On white

1.19

#F9EF81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.69

#F9EF81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9EF81

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9EF81	#FFFFFF	#000000	##000000
##F9EF81	1.00	1.19	17.69	17.69
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.69	21.00	1.00	1.00
##000000	17.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE877

Deuteranopia (green-blind)

#FFEE86

Tritanopia (blue-blind)

#FFE2D5

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #f9ef81;
/* rgb */ color: rgb(249, 239, 129);
/* oklch */ color: oklch(93.8% 0.132 104.0);

Tailwind

colors: {
  custom: {
    50: '#fdf4a8',
    500: '#f9ef81',
    950: '#000000',
  },
}

SCSS

$custom: #f9ef81;
$custom-light: #fdf4a8;
$custom-dark: #000000;

JSON

{
  "hex": "#f9ef81",
  "rgb": {
    "r": 249,
    "g": 239,
    "b": 129
  },
  "hsl": {
    "h": 55,
    "s": 90.909,
    "l": 74.118
  },
  "oklch": {
    "l": 0.9377,
    "c": 0.13229,
    "h": 104
  },
  "luminance": 0.83458
}

Semantic roles & 50–950 ramp

primary

#F9EF81

secondary

#4854D6

accent

#13E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #F9EF81

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

Preview Lab → · Contrast checker → · Palette generator →