#F4F55B#F4F55B

#F4F55B is a very light, vivid yellow. Relative luminance 0.853; OKLCH L 94.2% C 0.171 H 109.6°. Best body text is #000000 at 18.06:1 contrast (WCAG AA passes).

Color values

HEX#F4F55B
RGBrgb(244, 245, 91)
HSLhsl(60, 89%, 66%)
HSVhsv(60, 63%, 96%)
CMYKcmyk(0.4%, 0%, 62.9%, 3.9%)
CIE-LABlab(94.01, -18.70, 71.30)
CIE-LCHlch(94.01, 73.71, 104.70°)
OKLaboklab(94.19% -0.0576 0.1614)
OKLCHoklch(94.19% 0.171 109.6)
XYZxyz(71.8512, 85.2952, 22.5742)
Luminance0.8529 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#F4F55B #5C5BF5
analogous
#F5A95B #F4F55B #A7F55B
triadic
#F4F55B #5BF4F5 #F55BF4
tetradic
#F4F55B #5BF5A9 #5C5BF5 #F55BA7
square
#F4F55B #5BF5A9 #5C5BF5 #F55BA7
split-complementary
#F4F55B #5BA7F5 #A95BF5
monochromatic
#C8C90C #F0F121 #F4F55B #F8F995 #FCFCCE

Accessibility & contrast

On white

1.16
#F4F55B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

18.06
#F4F55B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F4F55B
18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##F4F55B#FFFFFF#000000##000000
##F4F55B1.001.1618.0618.06
#FFFFFF1.161.0021.0021.00
#00000018.0621.001.001.00
##00000018.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFEB47
Deuteranopia (green-blind)
#FFF065
Tritanopia (blue-blind)
#FFE6D5
Achromatopsia (no color)
#EEEEEE

Design tokens & code

CSS
--color: #f4f55b;
/* rgb */ color: rgb(244, 245, 91);
/* oklch */ color: oklch(94.2% 0.171 109.6);
Tailwind
colors: {
  custom: {
    50: '#fbf890',
    500: '#f4f55b',
    950: '#000000',
  },
}
SCSS
$custom: #f4f55b;
$custom-light: #fbf890;
$custom-dark: #000000;
JSON
{
  "hex": "#f4f55b",
  "rgb": {
    "r": 244,
    "g": 245,
    "b": 91
  },
  "hsl": {
    "h": 60.39,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.94192,
    "c": 0.17134,
    "h": 109.6
  },
  "luminance": 0.85293
}

Semantic roles & 50–950 ramp

primary
#F4F55B
secondary
#2F2EC6
accent
#00E502
background
#FFFFFC
surface
#FFFEF4
border
#D7D6CE
text
#18170D
muted
#86857F

Preview Lab

Preview with #F4F55B

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

Preview Lab → · Contrast checker → · Palette generator →

#F4F55B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva