#F4FC4B#F4FC4B

#F4FC4B is a very light, vivid yellow. Relative luminance 0.894; OKLCH L 95.5% C 0.189 H 112.1°. Best body text is #000000 at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#F4FC4B
RGB	rgb(244, 252, 75)
HSL	hsl(63, 97%, 64%)
HSV	hsv(63, 70%, 99%)
CMYK	cmyk(3.2%, 0%, 70.2%, 1.2%)
CIE-LAB	lab(95.73, -22.89, 78.88)
CIE-LCH	lch(95.73, 82.14, 106.19°)
OKLab	oklab(95.54% -0.0709 0.1749)
OKLCH	oklch(95.54% 0.189 112.1)
XYZ	xyz(73.3910, 89.3637, 20.0381)
Luminance	0.8936 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F4FC4B #534BFC

analogous

#FCAC4B #F4FC4B #9CFC4B

triadic

#F4FC4B #4BF4FC #FC4BF4

tetradic

#F4FC4B #4BFCAC #534BFC #FC4B9C

square

#F4FC4B #4BFCAC #534BFC #FC4B9C

split-complementary

#F4FC4B #4B9CFC #AC4BFC

monochromatic

#C0C903 #F0FB0F #F4FC4B #F8FD87 #FBFEC3

Accessibility & contrast

On white

1.11

#F4FC4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.87

#F4FC4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F4FC4B

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F4FC4B	#FFFFFF	#000000	##000000
##F4FC4B	1.00	1.11	18.87	18.87
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.87	21.00	1.00	1.00
##000000	18.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF12B

Deuteranopia (green-blind)

#FFF559

Tritanopia (blue-blind)

#FFEDDA

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #f4fc4b;
/* rgb */ color: rgb(244, 252, 75);
/* oklch */ color: oklch(95.5% 0.189 112.1);

Tailwind

colors: {
  custom: {
    50: '#fcfd88',
    500: '#f4fc4b',
    950: '#000000',
  },
}

SCSS

$custom: #f4fc4b;
$custom-light: #fcfd88;
$custom-dark: #000000;

JSON

{
  "hex": "#f4fc4b",
  "rgb": {
    "r": 244,
    "g": 252,
    "b": 75
  },
  "hsl": {
    "h": 62.712,
    "s": 96.721,
    "l": 64.118
  },
  "oklch": {
    "l": 0.95535,
    "c": 0.18868,
    "h": 112.1
  },
  "luminance": 0.89362
}

Semantic roles & 50–950 ramp

primary

#F4FC4B

secondary

#2D26C5

accent

#00E60A

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #F4FC4B

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

Preview Lab → · Contrast checker → · Palette generator →