#F4DF63#F4DF63

#F4DF63 is a very light, vivid yellow. Relative luminance 0.729; OKLCH L 89.8% C 0.145 H 99.8°. Best body text is #000000 at 15.58:1 contrast (WCAG AA passes).

Color values

HEX	#F4DF63
RGB	rgb(244, 223, 99)
HSL	hsl(51, 87%, 67%)
HSV	hsv(51, 59%, 96%)
CMYK	cmyk(0%, 8.6%, 59.4%, 4.3%)
CIE-LAB	lab(88.41, -7.37, 61.94)
CIE-LCH	lch(88.41, 62.38, 96.79°)
OKLab	oklab(89.75% -0.0245 0.1426)
OKLCH	oklch(89.75% 0.145 99.8)
XYZ	xyz(65.9506, 72.9121, 22.4015)
Luminance	0.7291 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F4DF63 #6378F4

analogous

#F49663 #F4DF63 #C1F463

triadic

#F4DF63 #63F4DF #DF63F4

tetradic

#F4DF63 #63F496 #6378F4 #F463C1

square

#F4DF63 #63F496 #6378F4 #F463C1

split-complementary

#F4DF63 #63C1F4 #9663F4

monochromatic

#CEB20F #F0D32A #F4DF63 #F8EB9C #FCF6D5

Accessibility & contrast

On white

1.35

#F4DF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.58

#F4DF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F4DF63

15.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F4DF63	#FFFFFF	#000000	##000000
##F4DF63	1.00	1.35	15.58	15.58
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.58	21.00	1.00	1.00
##000000	15.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D956

Deuteranopia (green-blind)

#F8E169

Tritanopia (blue-blind)

#FFD1C4

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #f4df63;
/* rgb */ color: rgb(244, 223, 99);
/* oklch */ color: oklch(89.8% 0.145 99.8);

Tailwind

colors: {
  custom: {
    50: '#fbe894',
    500: '#f4df63',
    950: '#000000',
  },
}

SCSS

$custom: #f4df63;
$custom-light: #fbe894;
$custom-dark: #000000;

JSON

{
  "hex": "#f4df63",
  "rgb": {
    "r": 244,
    "g": 223,
    "b": 99
  },
  "hsl": {
    "h": 51.31,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.89754,
    "c": 0.14471,
    "h": 99.8
  },
  "luminance": 0.72909
}

Semantic roles & 50–950 ramp

primary

#F4DF63

secondary

#3147CA

accent

#23E302

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #F4DF63

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

Preview Lab → · Contrast checker → · Palette generator →