#F4FC66#F4FC66

#F4FC66 is a very light, vivid yellow. Relative luminance 0.898; OKLCH L 95.7% C 0.170 H 112.1°. Best body text is #000000 at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#F4FC66
RGB	rgb(244, 252, 102)
HSL	hsl(63, 96%, 69%)
HSV	hsv(63, 60%, 99%)
CMYK	cmyk(3.2%, 0%, 59.5%, 1.2%)
CIE-LAB	lab(95.92, -21.37, 68.92)
CIE-LCH	lch(95.92, 72.16, 107.22°)
OKLab	oklab(95.75% -0.064 0.1578)
OKLCH	oklch(95.75% 0.17 112.1)
XYZ	xyz(74.5188, 89.8148, 25.9783)
Luminance	0.8981 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F4FC66 #6E66FC

analogous

#FCB966 #F4FC66 #A9FC66

triadic

#F4FC66 #66F4FC #FC66F4

tetradic

#F4FC66 #66FCB9 #6E66FC #FC66A9

square

#F4FC66 #66FCB9 #6E66FC #FC66A9

split-complementary

#F4FC66 #66A9FC #B966FC

monochromatic

#D7E304 #F0FB2A #F4FC66 #F8FDA2 #FDFEDE

Accessibility & contrast

On white

1.11

#F4FC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.96

#F4FC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F4FC66

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F4FC66	#FFFFFF	#000000	##000000
##F4FC66	1.00	1.11	18.96	18.96
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.96	21.00	1.00	1.00
##000000	18.96	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: #f4fc66;
/* rgb */ color: rgb(244, 252, 102);
/* oklch */ color: oklch(95.7% 0.170 112.1);

Tailwind

colors: {
  custom: {
    50: '#fbfd97',
    500: '#f4fc66',
    950: '#000000',
  },
}

SCSS

$custom: #f4fc66;
$custom-light: #fbfd97;
$custom-dark: #000000;

JSON

{
  "hex": "#f4fc66",
  "rgb": {
    "r": 244,
    "g": 252,
    "b": 102
  },
  "hsl": {
    "h": 63.2,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.95745,
    "c": 0.17031,
    "h": 112.1
  },
  "luminance": 0.89813
}

Semantic roles & 50–950 ramp

primary

#F4FC66

secondary

#3930D6

accent

#00E60C

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F4FC66

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

Preview Lab → · Contrast checker → · Palette generator →