#FBFF78#FBFF78

#FBFF78 is a very light, vivid yellow. Relative luminance 0.934; OKLCH L 97.1% C 0.157 H 110.5°. Best body text is #000000 at 19.68:1 contrast (WCAG AA passes).

Color values

HEX#FBFF78
RGBrgb(251, 255, 120)
HSLhsl(62, 100%, 74%)
HSVhsv(62, 53%, 100%)
CMYKcmyk(1.6%, 0%, 52.9%, 0%)
CIE-LABlab(97.38, -18.74, 63.03)
CIE-LCHlch(97.38, 65.76, 106.56°)
OKLaboklab(97.1% -0.0552 0.1472)
OKLCHoklch(97.1% 0.157 110.5)
XYZxyz(78.9357, 93.3871, 31.6330)
Luminance0.9338 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#FBFF78 #7C78FF
analogous
#FFBF78 #FBFF78 #B7FF78
triadic
#FBFF78 #78FBFF #FF78FB
tetradic
#FBFF78 #78FFBF #7C78FF #FF78B7
square
#FBFF78 #78FFBF #7C78FF #FF78B7
split-complementary
#FBFF78 #78B7FF #BF78FF
monochromatic
#F5FD00 #F9FF3B #FBFF78 #FDFFB5 #FEFFE0

Accessibility & contrast

On white

1.07
#FBFF78 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

19.68
#FBFF78 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBFF78
19.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##FBFF78#FFFFFF#000000##000000
##FBFF781.001.0719.6819.68
#FFFFFF1.071.0021.0021.00
#00000019.6821.001.001.00
##00000019.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF56B
Deuteranopia (green-blind)
#FFF97F
Tritanopia (blue-blind)
#FFF1E1
Achromatopsia (no color)
#F7F7F7

Design tokens & code

CSS
--color: #fbff78;
/* rgb */ color: rgb(251, 255, 120);
/* oklch */ color: oklch(97.1% 0.157 110.5);
Tailwind
colors: {
  custom: {
    50: '#ffffa3',
    500: '#fbff78',
    950: '#000000',
  },
}
SCSS
$custom: #fbff78;
$custom-light: #ffffa3;
$custom-dark: #000000;
JSON
{
  "hex": "#fbff78",
  "rgb": {
    "r": 251,
    "g": 255,
    "b": 120
  },
  "hsl": {
    "h": 61.778,
    "s": 100,
    "l": 73.529
  },
  "oklch": {
    "l": 0.97095,
    "c": 0.15718,
    "h": 110.5
  },
  "luminance": 0.93385
}

Semantic roles & 50–950 ramp

primary
#FBFF78
secondary
#433EDD
accent
#00E607
background
#FFFFFC
surface
#FFFFF6
border
#D7D7D0
text
#18170F
muted
#868580

Preview Lab

Preview with #FBFF78

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

Preview Lab → · Contrast checker → · Palette generator →

#FBFF78 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva