#F3F379#F3F379

#F3F379 is a very light, vivid yellow. Relative luminance 0.845; OKLCH L 94.0% C 0.145 H 108.9°. Best body text is #000000 at 17.91:1 contrast (WCAG AA passes).

Color values

HEX	#F3F379
RGB	rgb(243, 243, 121)
HSL	hsl(60, 84%, 71%)
HSV	hsv(60, 50%, 95%)
CMYK	cmyk(0%, 0%, 50.2%, 4.7%)
CIE-LAB	lab(93.68, -16.00, 58.13)
CIE-LCH	lch(93.68, 60.29, 105.39°)
OKLab	oklab(94% -0.0468 0.1368)
OKLCH	oklch(94% 0.145 108.9)
XYZ	xyz(72.4656, 84.5381, 30.5856)
Luminance	0.8454 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F379 #7979F3

analogous

#F3B679 #F3F379 #B6F379

triadic

#F3F379 #79F3F3 #F379F3

tetradic

#F3F379 #79F3B6 #7979F3 #F379B6

square

#F3F379 #79F3B6 #7979F3 #F379B6

split-complementary

#F3F379 #79B6F3 #B679F3

monochromatic

#DEDE14 #EEEE41 #F3F379 #F8F8B1 #FCFCE3

Accessibility & contrast

On white

1.17

#F3F379 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.91

#F3F379 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F379

17.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F379	#FFFFFF	#000000	##000000
##F3F379	1.00	1.17	17.91	17.91
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.91	21.00	1.00	1.00
##000000	17.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA6E

Deuteranopia (green-blind)

#FFEF7F

Tritanopia (blue-blind)

#FFE6D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #f3f379;
/* rgb */ color: rgb(243, 243, 121);
/* oklch */ color: oklch(94.0% 0.145 108.9);

Tailwind

colors: {
  custom: {
    50: '#f9f6a3',
    500: '#f3f379',
    950: '#000000',
  },
}

SCSS

$custom: #f3f379;
$custom-light: #f9f6a3;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f379",
  "rgb": {
    "r": 243,
    "g": 243,
    "b": 121
  },
  "hsl": {
    "h": 60,
    "s": 83.562,
    "l": 71.373
  },
  "oklch": {
    "l": 0.93999,
    "c": 0.14459,
    "h": 108.9
  },
  "luminance": 0.84536
}

Semantic roles & 50–950 ramp

primary

#F3F379

secondary

#4343CE

accent

#06E006

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F3F379

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

Preview Lab → · Contrast checker → · Palette generator →