#F3F579#F3F579

#F3F579 is a very light, vivid yellow. Relative luminance 0.857; OKLCH L 94.4% C 0.147 H 109.7°. Best body text is #000000 at 18.15:1 contrast (WCAG AA passes).

Color values

HEX	#F3F579
RGB	rgb(243, 245, 121)
HSL	hsl(61, 86%, 72%)
HSV	hsv(61, 51%, 96%)
CMYK	cmyk(0.8%, 0%, 50.6%, 3.9%)
CIE-LAB	lab(94.20, -16.97, 58.73)
CIE-LCH	lch(94.20, 61.14, 106.12°)
OKLab	oklab(94.41% -0.0496 0.1381)
OKLCH	oklch(94.41% 0.147 109.7)
XYZ	xyz(73.0674, 85.7417, 30.7862)
Luminance	0.8574 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F579 #7B79F5

analogous

#F5B979 #F3F579 #B5F579

triadic

#F3F579 #79F3F5 #F579F3

tetradic

#F3F579 #79F5B9 #7B79F5 #F579B5

square

#F3F579 #79F5B9 #7B79F5 #F579B5

split-complementary

#F3F579 #79B5F5 #B979F5

monochromatic

#DFE311 #EEF140 #F3F579 #F8F9B2 #FCFDE3

Accessibility & contrast

On white

1.16

#F3F579 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.15

#F3F579 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F579

18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F579	#FFFFFF	#000000	##000000
##F3F579	1.00	1.16	18.15	18.15
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.15	21.00	1.00	1.00
##000000	18.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC6D

Deuteranopia (green-blind)

#FFF07F

Tritanopia (blue-blind)

#FFE8D9

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f3f579;
/* rgb */ color: rgb(243, 245, 121);
/* oklch */ color: oklch(94.4% 0.147 109.7);

Tailwind

colors: {
  custom: {
    50: '#f9f8a3',
    500: '#f3f579',
    950: '#000000',
  },
}

SCSS

$custom: #f3f579;
$custom-light: #f9f8a3;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f579",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 121
  },
  "hsl": {
    "h": 60.968,
    "s": 86.111,
    "l": 71.765
  },
  "oklch": {
    "l": 0.94412,
    "c": 0.14676,
    "h": 109.7
  },
  "luminance": 0.8574
}

Semantic roles & 50–950 ramp

primary

#F3F579

secondary

#4442D0

accent

#03E306

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F3F579

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

Preview Lab → · Contrast checker → · Palette generator →