#F9F866#F9F866

#F9F866 is a very light, vivid yellow. Relative luminance 0.882; OKLCH L 95.3% C 0.165 H 108.8°. Best body text is #000000 at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#F9F866
RGB	rgb(249, 248, 102)
HSL	hsl(60, 92%, 69%)
HSV	hsv(60, 59%, 98%)
CMYK	cmyk(0%, 0.4%, 59%, 2.4%)
CIE-LAB	lab(95.26, -17.46, 68.31)
CIE-LCH	lch(95.26, 70.51, 104.34°)
OKLab	oklab(95.31% -0.0532 0.1564)
OKLCH	oklch(95.31% 0.165 108.8)
XYZ	xyz(75.0349, 88.2359, 25.6464)
Luminance	0.8823 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9F866 #6667F9

analogous

#F9AF66 #F9F866 #B1F966

triadic

#F9F866 #66F9F8 #F866F9

tetradic

#F9F866 #66F9AF #6667F9 #F966B1

square

#F9F866 #66F9AF #6667F9 #F966B1

split-complementary

#F9F866 #66B1F9 #AF66F9

monochromatic

#DCDB09 #F7F52B #F9F866 #FBFBA1 #FEFDDC

Accessibility & contrast

On white

1.13

#F9F866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.65

#F9F866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9F866

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9F866	#FFFFFF	#000000	##000000
##F9F866	1.00	1.13	18.65	18.65
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.65	21.00	1.00	1.00
##000000	18.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF55

Deuteranopia (green-blind)

#FFF46F

Tritanopia (blue-blind)

#FFEAD9

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #f9f866;
/* rgb */ color: rgb(249, 248, 102);
/* oklch */ color: oklch(95.3% 0.165 108.8);

Tailwind

colors: {
  custom: {
    50: '#fefa97',
    500: '#f9f866',
    950: '#000000',
  },
}

SCSS

$custom: #f9f866;
$custom-light: #fefa97;
$custom-dark: #000000;

JSON

{
  "hex": "#f9f866",
  "rgb": {
    "r": 249,
    "g": 248,
    "b": 102
  },
  "hsl": {
    "h": 59.592,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.95311,
    "c": 0.16525,
    "h": 108.8
  },
  "luminance": 0.88234
}

Semantic roles & 50–950 ramp

primary

#F9F866

secondary

#3032D3

accent

#02E600

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F9F866

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

Preview Lab → · Contrast checker → · Palette generator →