#F9EF79#F9EF79

#F9EF79 is a very light, vivid yellow. Relative luminance 0.833; OKLCH L 93.7% C 0.140 H 104.4°. Best body text is #000000 at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#F9EF79
RGB	rgb(249, 239, 121)
HSL	hsl(55, 91%, 73%)
HSV	hsv(55, 51%, 98%)
CMYK	cmyk(0%, 4%, 51.4%, 2.4%)
CIE-LAB	lab(93.13, -11.67, 57.59)
CIE-LCH	lch(93.13, 58.76, 101.46°)
OKLab	oklab(93.67% -0.0348 0.1356)
OKLCH	oklch(93.67% 0.14 104.4)
XYZ	xyz(73.3867, 83.2555, 30.2896)
Luminance	0.8325 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9EF79 #7983F9

analogous

#F9AF79 #F9EF79 #C3F979

triadic

#F9EF79 #79F9EF #EF79F9

tetradic

#F9EF79 #79F9AF #7983F9 #F979C3

square

#F9EF79 #79F9AF #7983F9 #F979C3

split-complementary

#F9EF79 #79C3F9 #AF79F9

monochromatic

#EDDB0B #F6E83E #F9EF79 #FCF6B4 #FEFCE2

Accessibility & contrast

On white

1.19

#F9EF79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.65

#F9EF79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9EF79

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9EF79	#FFFFFF	#000000	##000000
##F9EF79	1.00	1.19	17.65	17.65
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.65	21.00	1.00	1.00
##000000	17.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE86E

Deuteranopia (green-blind)

#FFEE7F

Tritanopia (blue-blind)

#FFE2D4

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #f9ef79;
/* rgb */ color: rgb(249, 239, 121);
/* oklch */ color: oklch(93.7% 0.140 104.4);

Tailwind

colors: {
  custom: {
    50: '#fef4a3',
    500: '#f9ef79',
    950: '#000000',
  },
}

SCSS

$custom: #f9ef79;
$custom-light: #fef4a3;
$custom-dark: #000000;

JSON

{
  "hex": "#f9ef79",
  "rgb": {
    "r": 249,
    "g": 239,
    "b": 121
  },
  "hsl": {
    "h": 55.313,
    "s": 91.429,
    "l": 72.549
  },
  "oklch": {
    "l": 0.9367,
    "c": 0.13994,
    "h": 104.4
  },
  "luminance": 0.83253
}

Semantic roles & 50–950 ramp

primary

#F9EF79

secondary

#414DD5

accent

#12E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F9EF79

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

Preview Lab → · Contrast checker → · Palette generator →