#FBFB66#FBFB66

#FBFB66 is a very light, vivid yellow. Relative luminance 0.905; OKLCH L 96.1% C 0.168 H 109.2°. Best body text is #000000 at 19.09:1 contrast (WCAG AA passes).

Color values

HEX	#FBFB66
RGB	rgb(251, 251, 102)
HSL	hsl(60, 95%, 69%)
HSV	hsv(60, 59%, 98%)
CMYK	cmyk(0%, 0%, 59.4%, 1.6%)
CIE-LAB	lab(96.19, -18.11, 69.37)
CIE-LCH	lch(96.19, 71.69, 104.63°)
OKLab	oklab(96.09% -0.0552 0.1586)
OKLCH	oklch(96.09% 0.168 109.2)
XYZ	xyz(76.6814, 90.4650, 25.9899)
Luminance	0.9046 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBFB66 #6666FB

analogous

#FBB166 #FBFB66 #B1FB66

triadic

#FBFB66 #66FBFB #FB66FB

tetradic

#FBFB66 #66FBB1 #6666FB #FB66B1

square

#FBFB66 #66FBB1 #6666FB #FB66B1

split-complementary

#FBFB66 #66B1FB #B166FB

monochromatic

#E1E106 #F9F92A #FBFB66 #FDFDA2 #FEFEDD

Accessibility & contrast

On white

1.10

#FBFB66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.09

#FBFB66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBFB66

19.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBFB66	#FFFFFF	#000000	##000000
##FBFB66	1.00	1.10	19.09	19.09
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.09	21.00	1.00	1.00
##000000	19.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF154

Deuteranopia (green-blind)

#FFF66F

Tritanopia (blue-blind)

#FFECDB

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #fbfb66;
/* rgb */ color: rgb(251, 251, 102);
/* oklch */ color: oklch(96.1% 0.168 109.2);

Tailwind

colors: {
  custom: {
    50: '#fffc97',
    500: '#fbfb66',
    950: '#000000',
  },
}

SCSS

$custom: #fbfb66;
$custom-light: #fffc97;
$custom-dark: #000000;

JSON

{
  "hex": "#fbfb66",
  "rgb": {
    "r": 251,
    "g": 251,
    "b": 102
  },
  "hsl": {
    "h": 60,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.9609,
    "c": 0.16796,
    "h": 109.2
  },
  "luminance": 0.90463
}

Semantic roles & 50–950 ramp

primary

#FBFB66

secondary

#3030D5

accent

#00E600

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #FBFB66

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

Preview Lab → · Contrast checker → · Palette generator →