#F3FC66#F3FC66

#F3FC66 is a very light, vivid yellow. Relative luminance 0.896; OKLCH L 95.7% C 0.171 H 112.4°. Best body text is #000000 at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#F3FC66
RGB	rgb(243, 252, 102)
HSL	hsl(64, 96%, 69%)
HSV	hsv(64, 60%, 99%)
CMYK	cmyk(3.6%, 0%, 59.5%, 1.2%)
CIE-LAB	lab(95.85, -21.76, 68.82)
CIE-LCH	lch(95.85, 72.18, 107.55°)
OKLab	oklab(95.67% -0.065 0.1576)
OKLCH	oklch(95.67% 0.171 112.4)
XYZ	xyz(74.1727, 89.6364, 25.9621)
Luminance	0.8963 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3FC66 #6F66FC

analogous

#FCBA66 #F3FC66 #A8FC66

triadic

#F3FC66 #66F3FC #FC66F3

tetradic

#F3FC66 #66FCBA #6F66FC #FC66A8

square

#F3FC66 #66FCBA #6F66FC #FC66A8

split-complementary

#F3FC66 #66A8FC #BA66FC

monochromatic

#D6E304 #EEFB2A #F3FC66 #F8FDA2 #FCFEDE

Accessibility & contrast

On white

1.11

#F3FC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.93

#F3FC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3FC66

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3FC66	#FFFFFF	#000000	##000000
##F3FC66	1.00	1.11	18.93	18.93
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.93	21.00	1.00	1.00
##000000	18.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF154

Deuteranopia (green-blind)

#FFF56F

Tritanopia (blue-blind)

#FFEEDC

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #f3fc66;
/* rgb */ color: rgb(243, 252, 102);
/* oklch */ color: oklch(95.7% 0.171 112.4);

Tailwind

colors: {
  custom: {
    50: '#fafd97',
    500: '#f3fc66',
    950: '#000000',
  },
}

SCSS

$custom: #f3fc66;
$custom-light: #fafd97;
$custom-dark: #000000;

JSON

{
  "hex": "#f3fc66",
  "rgb": {
    "r": 243,
    "g": 252,
    "b": 102
  },
  "hsl": {
    "h": 63.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.95667,
    "c": 0.17053,
    "h": 112.4
  },
  "luminance": 0.89635
}

Semantic roles & 50–950 ramp

primary

#F3FC66

secondary

#3A30D6

accent

#00E60E

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3FC66

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

Preview Lab → · Contrast checker → · Palette generator →