#F9FF79#F9FF79

#F9FF79 is a very light, vivid yellow. Relative luminance 0.930; OKLCH L 97.0% C 0.157 H 111.3°. Best body text is #000000 at 19.61:1 contrast (WCAG AA passes).

Color values

HEX	#F9FF79
RGB	rgb(249, 255, 121)
HSL	hsl(63, 100%, 74%)
HSV	hsv(63, 53%, 100%)
CMYK	cmyk(2.4%, 0%, 52.5%, 0%)
CIE-LAB	lab(97.24, -19.45, 62.39)
CIE-LCH	lch(97.24, 65.35, 107.31°)
OKLab	oklab(96.95% -0.0569 0.1459)
OKLCH	oklch(96.95% 0.157 111.3)
XYZ	xyz(78.2799, 93.0419, 31.9207)
Luminance	0.9304 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9FF79 #7F79FF

analogous

#FFC279 #F9FF79 #B6FF79

triadic

#F9FF79 #79F9FF #FF79F9

tetradic

#F9FF79 #79FFC2 #7F79FF #FF79B6

square

#F9FF79 #79FFC2 #7F79FF #FF79B6

split-complementary

#F9FF79 #79B6FF #C279FF

monochromatic

#F2FE00 #F6FF3C #F9FF79 #FCFFB6 #FEFFE0

Accessibility & contrast

On white

1.07

#F9FF79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.61

#F9FF79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9FF79

19.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9FF79	#FFFFFF	#000000	##000000
##F9FF79	1.00	1.07	19.61	19.61
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.61	21.00	1.00	1.00
##000000	19.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF56C

Deuteranopia (green-blind)

#FFF980

Tritanopia (blue-blind)

#FFF2E1

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #f9ff79;
/* rgb */ color: rgb(249, 255, 121);
/* oklch */ color: oklch(97.0% 0.157 111.3);

Tailwind

colors: {
  custom: {
    50: '#feffa3',
    500: '#f9ff79',
    950: '#000000',
  },
}

SCSS

$custom: #f9ff79;
$custom-light: #feffa3;
$custom-dark: #000000;

JSON

{
  "hex": "#f9ff79",
  "rgb": {
    "r": 249,
    "g": 255,
    "b": 121
  },
  "hsl": {
    "h": 62.687,
    "s": 100,
    "l": 73.725
  },
  "oklch": {
    "l": 0.9695,
    "c": 0.15665,
    "h": 111.3
  },
  "luminance": 0.9304
}

Semantic roles & 50–950 ramp

primary

#F9FF79

secondary

#463FDD

accent

#00E60A

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F9FF79

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

Preview Lab → · Contrast checker → · Palette generator →