#F9FF08#F9FF08

#F9FF08 is a very light, highly saturated yellow. Relative luminance 0.917; OKLCH L 96.3% C 0.212 H 111.5°. Best body text is #000000 at 19.34:1 contrast (WCAG AA passes).

Color values

HEX	#F9FF08
RGB	rgb(249, 255, 8)
HSL	hsl(61, 100%, 52%)
HSV	hsv(61, 97%, 100%)
CMYK	cmyk(2.4%, 0%, 96.9%, 0%)
CIE-LAB	lab(96.69, -23.95, 93.39)
CIE-LCH	lch(96.69, 96.41, 104.38°)
OKLab	oklab(96.33% -0.0776 0.1969)
OKLCH	oklch(96.33% 0.212 111.5)
XYZ	xyz(74.8737, 91.6794, 13.9815)
Luminance	0.9168 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9FF08 #0E08FF

analogous

#FF8908 #F9FF08 #7EFF08

triadic

#F9FF08 #08F9FF #FF08F9

tetradic

#F9FF08 #08FF89 #0E08FF #FF087E

square

#F9FF08 #08FF89 #0E08FF #FF087E

split-complementary

#F9FF08 #087EFF #8908FF

monochromatic

#898D00 #C5CA00 #F9FF08 #FAFF45 #FCFF82

Accessibility & contrast

On white

1.09

#F9FF08 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.34

#F9FF08 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9FF08

19.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9FF08	#FFFFFF	#000000	##000000
##F9FF08	1.00	1.09	19.34	19.34
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.34	21.00	1.00	1.00
##000000	19.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF300

Deuteranopia (green-blind)

#FFF834

Tritanopia (blue-blind)

#FFEED9

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f9ff08;
/* rgb */ color: rgb(249, 255, 8);
/* oklch */ color: oklch(96.3% 0.212 111.5);

Tailwind

colors: {
  custom: {
    50: '#ffff74',
    500: '#f9ff08',
    950: '#000000',
  },
}

SCSS

$custom: #f9ff08;
$custom-light: #ffff74;
$custom-dark: #000000;

JSON

{
  "hex": "#f9ff08",
  "rgb": {
    "r": 249,
    "g": 255,
    "b": 8
  },
  "hsl": {
    "h": 61.457,
    "s": 100,
    "l": 51.569
  },
  "oklch": {
    "l": 0.96328,
    "c": 0.21166,
    "h": 111.5
  },
  "luminance": 0.91677
}

Semantic roles & 50–950 ramp

primary

#F9FF08

secondary

#1D1A92

accent

#29FF2E

background

#FFFFFB

surface

#FFFFF2

border

#D7D7CC

text

#19170A

muted

#87857D

Preview Lab

Preview with #F9FF08

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

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