#F9F379#F9F379

#F9F379 is a very light, vivid yellow. Relative luminance 0.856; OKLCH L 94.5% C 0.144 H 106.3°. Best body text is #000000 at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#F9F379
RGB	rgb(249, 243, 121)
HSL	hsl(57, 91%, 73%)
HSV	hsv(57, 51%, 98%)
CMYK	cmyk(0%, 2.4%, 51.4%, 2.4%)
CIE-LAB	lab(94.15, -13.63, 58.79)
CIE-LCH	lch(94.15, 60.35, 103.06°)
OKLab	oklab(94.49% -0.0404 0.1382)
OKLCH	oklch(94.49% 0.144 106.3)
XYZ	xyz(74.5707, 85.6235, 30.6843)
Luminance	0.8562 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9F379 #797FF9

analogous

#F9B379 #F9F379 #BFF979

triadic

#F9F379 #79F9F3 #F379F9

tetradic

#F9F379 #79F9B3 #797FF9 #F979BF

square

#F9F379 #79F9B3 #797FF9 #F979BF

split-complementary

#F9F379 #79BFF9 #B379F9

monochromatic

#EDE20B #F6EE3E #F9F379 #FCF8B4 #FEFCE2

Accessibility & contrast

On white

1.16

#F9F379 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.12

#F9F379 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9F379

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9F379	#FFFFFF	#000000	##000000
##F9F379	1.00	1.16	18.12	18.12
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.12	21.00	1.00	1.00
##000000	18.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6D

Deuteranopia (green-blind)

#FFF17F

Tritanopia (blue-blind)

#FFE6D7

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f9f379;
/* rgb */ color: rgb(249, 243, 121);
/* oklch */ color: oklch(94.5% 0.144 106.3);

Tailwind

colors: {
  custom: {
    50: '#fef6a3',
    500: '#f9f379',
    950: '#000000',
  },
}

SCSS

$custom: #f9f379;
$custom-light: #fef6a3;
$custom-dark: #000000;

JSON

{
  "hex": "#f9f379",
  "rgb": {
    "r": 249,
    "g": 243,
    "b": 121
  },
  "hsl": {
    "h": 57.188,
    "s": 91.429,
    "l": 72.549
  },
  "oklch": {
    "l": 0.94485,
    "c": 0.14394,
    "h": 106.3
  },
  "luminance": 0.85621
}

Semantic roles & 50–950 ramp

primary

#F9F379

secondary

#4148D5

accent

#0BE600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F9F379

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

Preview Lab → · Contrast checker → · Palette generator →