#F9F366#F9F366

#F9F366 is a very light, vivid yellow. Relative luminance 0.852; OKLCH L 94.3% C 0.160 H 106.8°. Best body text is #000000 at 18.04:1 contrast (WCAG AA passes).

Color values

HEX	#F9F366
RGB	rgb(249, 243, 102)
HSL	hsl(58, 92%, 69%)
HSV	hsv(58, 59%, 98%)
CMYK	cmyk(0%, 2.4%, 59%, 2.4%)
CIE-LAB	lab(93.97, -15.04, 66.91)
CIE-LCH	lch(93.97, 68.57, 102.67°)
OKLab	oklab(94.28% -0.0464 0.1535)
OKLCH	oklch(94.28% 0.16 106.8)
XYZ	xyz(73.5182, 85.2025, 25.1409)
Luminance	0.8520 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9F366 #666CF9

analogous

#F9AA66 #F9F366 #B6F966

triadic

#F9F366 #66F9F3 #F366F9

tetradic

#F9F366 #66F9AA #666CF9 #F966B6

square

#F9F366 #66F9AA #666CF9 #F966B6

split-complementary

#F9F366 #66B6F9 #AA66F9

monochromatic

#DCD309 #F7EE2B #F9F366 #FBF8A1 #FEFCDC

Accessibility & contrast

On white

1.16

#F9F366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.04

#F9F366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9F366

18.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9F366	#FFFFFF	#000000	##000000
##F9F366	1.00	1.16	18.04	18.04
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.04	21.00	1.00	1.00
##000000	18.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA56

Deuteranopia (green-blind)

#FFF06E

Tritanopia (blue-blind)

#FFE4D5

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f9f366;
/* rgb */ color: rgb(249, 243, 102);
/* oklch */ color: oklch(94.3% 0.160 106.8);

Tailwind

colors: {
  custom: {
    50: '#fef697',
    500: '#f9f366',
    950: '#000000',
  },
}

SCSS

$custom: #f9f366;
$custom-light: #fef697;
$custom-dark: #000000;

JSON

{
  "hex": "#f9f366",
  "rgb": {
    "r": 249,
    "g": 243,
    "b": 102
  },
  "hsl": {
    "h": 57.551,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.94283,
    "c": 0.1603,
    "h": 106.8
  },
  "luminance": 0.852
}

Semantic roles & 50–950 ramp

primary

#F9F366

secondary

#3037D3

accent

#09E600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F9F366

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

Preview Lab → · Contrast checker → · Palette generator →