#FBFF99#FBFF99

#FBFF99 is a very light, vivid yellow. Relative luminance 0.943; OKLCH L 97.5% C 0.125 H 110.5°. Best body text is #000000 at 19.87:1 contrast (WCAG AA passes).

Color values

HEX#FBFF99
RGBrgb(251, 255, 153)
HSLhsl(62, 100%, 80%)
HSVhsv(62, 40%, 100%)
CMYKcmyk(1.6%, 0%, 40%, 0%)
CIE-LABlab(97.77, -15.75, 48.22)
CIE-LCHlch(97.77, 50.73, 108.09°)
OKLaboklab(97.52% -0.0436 0.1171)
OKLCHoklch(97.52% 0.125 110.5)
XYZxyz(81.2945, 94.3306, 44.0559)
Luminance0.9433 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#FBFF99 #9D99FF
analogous
#FFD099 #FBFF99 #C8FF99
triadic
#FBFF99 #99FBFF #FF99FB
tetradic
#FBFF99 #99FFD0 #9D99FF #FF99C8
square
#FBFF99 #99FFD0 #9D99FF #FF99C8
split-complementary
#FBFF99 #99C8FF #D099FF
monochromatic
#F6FF1F #F9FF5C #FBFF99 #FDFFD6 #FEFFE0

Accessibility & contrast

On white

1.06
#FBFF99 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

19.87
#FBFF99 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBFF99
19.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##FBFF99#FFFFFF#000000##000000
##FBFF991.001.0619.8719.87
#FFFFFF1.061.0021.0021.00
#00000019.8721.001.001.00
##00000019.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF791
Deuteranopia (green-blind)
#FFFA9E
Tritanopia (blue-blind)
#FFF4E6
Achromatopsia (no color)
#F9F9F9

Design tokens & code

CSS
--color: #fbff99;
/* rgb */ color: rgb(251, 255, 153);
/* oklch */ color: oklch(97.5% 0.125 110.5);
Tailwind
colors: {
  custom: {
    50: '#feffb8',
    500: '#fbff99',
    950: '#000000',
  },
}
SCSS
$custom: #fbff99;
$custom-light: #feffb8;
$custom-dark: #000000;
JSON
{
  "hex": "#fbff99",
  "rgb": {
    "r": 251,
    "g": 255,
    "b": 153
  },
  "hsl": {
    "h": 62.353,
    "s": 100,
    "l": 80
  },
  "oklch": {
    "l": 0.97522,
    "c": 0.12492,
    "h": 110.5
  },
  "luminance": 0.94329
}

Semantic roles & 50–950 ramp

primary
#FBFF99
secondary
#605AE2
accent
#00E609
background
#FFFFFD
surface
#FFFFF8
border
#D7D7D1
text
#181711
muted
#868581

Preview Lab

Preview with #FBFF99

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

Preview Lab → · Contrast checker → · Palette generator →

#FBFF99 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva