#F3FC99#F3FC99

#F3FC99 is a very light, vivid yellow. Relative luminance 0.910; OKLCH L 96.3% C 0.123 H 112.9°. Best body text is #000000 at 19.20:1 contrast (WCAG AA passes).

Color values

HEX	#F3FC99
RGB	rgb(243, 252, 153)
HSL	hsl(65, 94%, 79%)
HSV	hsv(65, 39%, 99%)
CMYK	cmyk(3.6%, 0%, 39.3%, 1.2%)
CIE-LAB	lab(96.40, -17.32, 46.37)
CIE-LCH	lch(96.40, 49.50, 110.48°)
OKLab	oklab(96.29% -0.0478 0.1129)
OKLCH	oklch(96.29% 0.123 112.9)
XYZ	xyz(77.5231, 90.9765, 43.6072)
Luminance	0.9097 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3FC99 #A299FC

analogous

#FCD499 #F3FC99 #C1FC99

triadic

#F3FC99 #99F3FC #FC99F3

tetradic

#F3FC99 #99FCD4 #A299FC #FC99C1

square

#F3FC99 #99FCD4 #A299FC #FC99C1

split-complementary

#F3FC99 #99C1FC #D499FC

monochromatic

#E5F922 #ECFA5E #F3FC99 #FAFED4 #FCFEE1

Accessibility & contrast

On white

1.09

#F3FC99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.20

#F3FC99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3FC99

19.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3FC99	#FFFFFF	#000000	##000000
##F3FC99	1.00	1.09	19.20	19.20
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.20	21.00	1.00	1.00
##000000	19.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF391

Deuteranopia (green-blind)

#FFF69E

Tritanopia (blue-blind)

#FEF1E4

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f3fc99;
/* rgb */ color: rgb(243, 252, 153);
/* oklch */ color: oklch(96.3% 0.123 112.9);

Tailwind

colors: {
  custom: {
    50: '#f8fdb8',
    500: '#f3fc99',
    950: '#000000',
  },
}

SCSS

$custom: #f3fc99;
$custom-light: #f8fdb8;
$custom-dark: #000000;

JSON

{
  "hex": "#f3fc99",
  "rgb": {
    "r": 243,
    "g": 252,
    "b": 153
  },
  "hsl": {
    "h": 65.455,
    "s": 94.286,
    "l": 79.412
  },
  "oklch": {
    "l": 0.9629,
    "c": 0.12263,
    "h": 112.9
  },
  "luminance": 0.90975
}

Semantic roles & 50–950 ramp

primary

#F3FC99

secondary

#675CDE

accent

#00E615

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #F3FC99

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

Preview Lab → · Contrast checker → · Palette generator →