#FFFB63#FFFB63

#FFFB63 is a very light, vivid yellow. Relative luminance 0.912; OKLCH L 96.4% C 0.170 H 107.8°. Best body text is #000000 at 19.23:1 contrast (WCAG AA passes).

Color values

HEX	#FFFB63
RGB	rgb(255, 251, 99)
HSL	hsl(58, 100%, 69%)
HSV	hsv(58, 61%, 100%)
CMYK	cmyk(0%, 1.6%, 61.2%, 0%)
CIE-LAB	lab(96.47, -16.70, 70.98)
CIE-LCH	lch(96.47, 72.92, 103.24°)
OKLab	oklab(96.39% -0.0517 0.1616)
OKLCH	oklch(96.39% 0.17 107.8)
XYZ	xyz(77.9919, 91.1576, 25.2888)
Luminance	0.9115 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFFB63 #6367FF

analogous

#FFAD63 #FFFB63 #B5FF63

triadic

#FFFB63 #63FFFB #FB63FF

tetradic

#FFFB63 #63FFAD #6367FF #FF63B5

square

#FFFB63 #63FFAD #6367FF #FF63B5

split-complementary

#FFFB63 #63B5FF #AD63FF

monochromatic

#E8E200 #FFF926 #FFFB63 #FFFDA0 #FFFEDD

Accessibility & contrast

On white

1.09

#FFFB63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.23

#FFFB63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFFB63

19.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFFB63	#FFFFFF	#000000	##000000
##FFFB63	1.00	1.09	19.23	19.23
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.23	21.00	1.00	1.00
##000000	19.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF250

Deuteranopia (green-blind)

#FFF86C

Tritanopia (blue-blind)

#FFECDB

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #fffb63;
/* rgb */ color: rgb(255, 251, 99);
/* oklch */ color: oklch(96.4% 0.170 107.8);

Tailwind

colors: {
  custom: {
    50: '#fffc96',
    500: '#fffb63',
    950: '#000000',
  },
}

SCSS

$custom: #fffb63;
$custom-light: #fffc96;
$custom-dark: #000000;

JSON

{
  "hex": "#fffb63",
  "rgb": {
    "r": 255,
    "g": 251,
    "b": 99
  },
  "hsl": {
    "h": 58.462,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.96385,
    "c": 0.16965,
    "h": 107.8
  },
  "luminance": 0.91155
}

Semantic roles & 50–950 ramp

primary

#FFFB63

secondary

#2C31DA

accent

#06E600

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#19170E

muted

#87857F

Preview Lab

Preview with #FFFB63

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

Preview Lab → · Contrast checker → · Palette generator →