#F3FC79#F3FC79

#F3FC79 is a very light, vivid yellow. Relative luminance 0.901; OKLCH L 95.9% C 0.154 H 112.5°. Best body text is #000000 at 19.01:1 contrast (WCAG AA passes).

Color values

HEX	#F3FC79
RGB	rgb(243, 252, 121)
HSL	hsl(64, 96%, 73%)
HSV	hsv(64, 52%, 99%)
CMYK	cmyk(3.6%, 0%, 52%, 1.2%)
CIE-LAB	lab(96.02, -20.35, 60.86)
CIE-LCH	lch(96.02, 64.17, 108.49°)
OKLab	oklab(95.86% -0.0592 0.1427)
OKLCH	oklch(95.86% 0.155 112.5)
XYZ	xyz(75.2253, 90.0574, 31.5055)
Luminance	0.9006 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3FC79 #8279FC

analogous

#FCC379 #F3FC79 #B1FC79

triadic

#F3FC79 #79F3FC #FC79F3

tetradic

#F3FC79 #79FCC3 #8279FC #FC79B1

square

#F3FC79 #79FCC3 #8279FC #FC79B1

split-complementary

#F3FC79 #79B1FC #C379FC

monochromatic

#E5F505 #EEFB3D #F3FC79 #F8FDB5 #FCFEE1

Accessibility & contrast

On white

1.10

#F3FC79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.01

#F3FC79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3FC79

19.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3FC79	#FFFFFF	#000000	##000000
##F3FC79	1.00	1.10	19.01	19.01
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.01	21.00	1.00	1.00
##000000	19.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF26C

Deuteranopia (green-blind)

#FFF580

Tritanopia (blue-blind)

#FFEFDF

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #f3fc79;
/* rgb */ color: rgb(243, 252, 121);
/* oklch */ color: oklch(95.9% 0.154 112.5);

Tailwind

colors: {
  custom: {
    50: '#f9fda3',
    500: '#f3fc79',
    950: '#000000',
  },
}

SCSS

$custom: #f3fc79;
$custom-light: #f9fda3;
$custom-dark: #000000;

JSON

{
  "hex": "#f3fc79",
  "rgb": {
    "r": 243,
    "g": 252,
    "b": 121
  },
  "hsl": {
    "h": 64.122,
    "s": 95.62,
    "l": 73.137
  },
  "oklch": {
    "l": 0.95863,
    "c": 0.1545,
    "h": 112.5
  },
  "luminance": 0.90056
}

Semantic roles & 50–950 ramp

primary

#F3FC79

secondary

#4B40D9

accent

#00E610

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F3FC79

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

Preview Lab → · Contrast checker → · Palette generator →