#FBFF4C#FBFF4C

#FBFF4C is a very light, vivid yellow. Relative luminance 0.926; OKLCH L 96.7% C 0.189 H 110.8°. Best body text is #000000 at 19.51:1 contrast (WCAG AA passes).

Color values

HEX#FBFF4C
RGBrgb(251, 255, 76)
HSLhsl(61, 100%, 65%)
HSVhsv(61, 70%, 100%)
CMYKcmyk(1.6%, 0%, 70.2%, 0%)
CIE-LABlab(97.05, -21.46, 79.99)
CIE-LCHlch(97.05, 82.82, 105.02°)
OKLaboklab(96.72% -0.0671 0.1772)
OKLCHoklch(96.72% 0.189 110.8)
XYZxyz(76.8508, 92.5531, 20.6523)
Luminance0.9255 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#FBFF4C #504CFF
analogous
#FFAA4C #FBFF4C #A1FF4C
triadic
#FBFF4C #4CFBFF #FF4CFB
tetradic
#FBFF4C #4CFFAA #504CFF #FF4CA1
square
#FBFF4C #4CFFAA #504CFF #FF4CA1
split-complementary
#FBFF4C #4CA1FF #AA4CFF
monochromatic
#CCD100 #FAFF0F #FBFF4C #FCFF89 #FEFFC6

Accessibility & contrast

On white

1.08
#FBFF4C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

19.51
#FBFF4C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBFF4C
19.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##FBFF4C#FFFFFF#000000##000000
##FBFF4C1.001.0819.5119.51
#FFFFFF1.081.0021.0021.00
#00000019.5121.001.001.00
##00000019.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF42B
Deuteranopia (green-blind)
#FFF95A
Tritanopia (blue-blind)
#FFEFDC
Achromatopsia (no color)
#F6F6F6

Design tokens & code

CSS
--color: #fbff4c;
/* rgb */ color: rgb(251, 255, 76);
/* oklch */ color: oklch(96.7% 0.189 110.8);
Tailwind
colors: {
  custom: {
    50: '#ffff89',
    500: '#fbff4c',
    950: '#000000',
  },
}
SCSS
$custom: #fbff4c;
$custom-light: #ffff89;
$custom-dark: #000000;
JSON
{
  "hex": "#fbff4c",
  "rgb": {
    "r": 251,
    "g": 255,
    "b": 76
  },
  "hsl": {
    "h": 61.341,
    "s": 100,
    "l": 64.902
  },
  "oklch": {
    "l": 0.96716,
    "c": 0.18946,
    "h": 110.8
  },
  "luminance": 0.92551
}

Semantic roles & 50–950 ramp

primary
#FBFF4C
secondary
#2824CB
accent
#00E605
background
#FFFFFC
surface
#FFFFF4
border
#D7D7CE
text
#19170C
muted
#87857F

Preview Lab

Preview with #FBFF4C

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

Preview Lab → · Contrast checker → · Palette generator →

#FBFF4C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva