#F4FC63#F4FC63

#F4FC63 is a very light, vivid yellow. Relative luminance 0.898; OKLCH L 95.7% C 0.173 H 112.1°. Best body text is #000000 at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#F4FC63
RGB	rgb(244, 252, 99)
HSL	hsl(63, 96%, 69%)
HSV	hsv(63, 61%, 99%)
CMYK	cmyk(3.2%, 0%, 60.7%, 1.2%)
CIE-LAB	lab(95.90, -21.56, 70.12)
CIE-LCH	lch(95.90, 73.36, 107.09°)
OKLab	oklab(95.72% -0.0648 0.16)
OKLCH	oklch(95.72% 0.173 112.1)
XYZ	xyz(74.3728, 89.7564, 25.2089)
Luminance	0.8975 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F4FC63 #6B63FC

analogous

#FCB863 #F4FC63 #A8FC63

triadic

#F4FC63 #63F4FC #FC63F4

tetradic

#F4FC63 #63FCB8 #6B63FC #FC63A8

square

#F4FC63 #63FCB8 #6B63FC #FC63A8

split-complementary

#F4FC63 #63A8FC #B863FC

monochromatic

#D5E004 #F0FB27 #F4FC63 #F8FD9F #FCFEDB

Accessibility & contrast

On white

1.11

#F4FC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.95

#F4FC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F4FC63

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F4FC63	#FFFFFF	#000000	##000000
##F4FC63	1.00	1.11	18.95	18.95
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.95	21.00	1.00	1.00
##000000	18.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF150

Deuteranopia (green-blind)

#FFF56D

Tritanopia (blue-blind)

#FFEEDC

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #f4fc63;
/* rgb */ color: rgb(244, 252, 99);
/* oklch */ color: oklch(95.7% 0.173 112.1);

Tailwind

colors: {
  custom: {
    50: '#fbfd96',
    500: '#f4fc63',
    950: '#000000',
  },
}

SCSS

$custom: #f4fc63;
$custom-light: #fbfd96;
$custom-dark: #000000;

JSON

{
  "hex": "#f4fc63",
  "rgb": {
    "r": 244,
    "g": 252,
    "b": 99
  },
  "hsl": {
    "h": 63.137,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.95718,
    "c": 0.17261,
    "h": 112.1
  },
  "luminance": 0.89755
}

Semantic roles & 50–950 ramp

primary

#F4FC63

secondary

#362DD6

accent

#00E60C

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F4FC63

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

Preview Lab → · Contrast checker → · Palette generator →