#FDFB5B#FDFB5B

#FDFB5B is a very light, vivid yellow. Relative luminance 0.906; OKLCH L 96.2% C 0.176 H 108.6°. Best body text is #000000 at 19.13:1 contrast (WCAG AA passes).

Color values

HEX	#FDFB5B
RGB	rgb(253, 251, 91)
HSL	hsl(59, 98%, 67%)
HSV	hsv(59, 64%, 99%)
CMYK	cmyk(0%, 0.8%, 64%, 0.8%)
CIE-LAB	lab(96.26, -17.98, 73.86)
CIE-LCH	lch(96.26, 76.01, 103.68°)
OKLab	oklab(96.16% -0.056 0.1665)
OKLCH	oklch(96.16% 0.176 108.6)
XYZ	xyz(76.8961, 90.6346, 23.3391)
Luminance	0.9063 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDFB5B #5B5DFD

analogous

#FDAA5B #FDFB5B #AEFD5B

triadic

#FDFB5B #5BFDFB #FB5BFD

tetradic

#FDFB5B #5BFDAA #5B5DFD #FD5BAE

square

#FDFB5B #5BFDAA #5B5DFD #FD5BAE

split-complementary

#FDFB5B #5BAEFD #AA5BFD

monochromatic

#DBD803 #FCFA1F #FDFB5B #FEFC97 #FEFED4

Accessibility & contrast

On white

1.10

#FDFB5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.13

#FDFB5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDFB5B

19.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDFB5B	#FFFFFF	#000000	##000000
##FDFB5B	1.00	1.10	19.13	19.13
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.13	21.00	1.00	1.00
##000000	19.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF145

Deuteranopia (green-blind)

#FFF765

Tritanopia (blue-blind)

#FFECDA

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #fdfb5b;
/* rgb */ color: rgb(253, 251, 91);
/* oklch */ color: oklch(96.2% 0.176 108.6);

Tailwind

colors: {
  custom: {
    50: '#fffc91',
    500: '#fdfb5b',
    950: '#000000',
  },
}

SCSS

$custom: #fdfb5b;
$custom-light: #fffc91;
$custom-dark: #000000;

JSON

{
  "hex": "#fdfb5b",
  "rgb": {
    "r": 253,
    "g": 251,
    "b": 91
  },
  "hsl": {
    "h": 59.259,
    "s": 97.59,
    "l": 67.451
  },
  "oklch": {
    "l": 0.96156,
    "c": 0.17571,
    "h": 108.6
  },
  "luminance": 0.90632
}

Semantic roles & 50–950 ramp

primary

#FDFB5B

secondary

#282AD4

accent

#03E600

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FDFB5B

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

Preview Lab → · Contrast checker → · Palette generator →