#F9FF4E#F9FF4E

#F9FF4E is a very light, vivid yellow. Relative luminance 0.922; OKLCH L 96.6% C 0.189 H 111.4°. Best body text is #000000 at 19.44:1 contrast (WCAG AA passes).

Color values

HEX#F9FF4E
RGBrgb(249, 255, 78)
HSLhsl(62, 100%, 65%)
HSVhsv(62, 69%, 100%)
CMYKcmyk(2.4%, 0%, 69.4%, 0%)
CIE-LABlab(96.91, -22.17, 79.13)
CIE-LCHlch(96.91, 82.18, 105.65°)
OKLaboklab(96.57% -0.0688 0.1757)
OKLCHoklch(96.57% 0.189 111.4)
XYZxyz(76.2045, 92.2117, 20.9906)
Luminance0.9221 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#F9FF4E #544EFF
analogous
#FFAD4E #F9FF4E #A0FF4E
triadic
#F9FF4E #4EF9FF #FF4EF9
tetradic
#F9FF4E #4EFFAD #544EFF #FF4EA0
square
#F9FF4E #4EFFAD #544EFF #FF4EA0
split-complementary
#F9FF4E #4EA0FF #AD4EFF
monochromatic
#CBD300 #F7FF11 #F9FF4E #FBFF8B #FDFFC8

Accessibility & contrast

On white

1.08
#F9FF4E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

19.44
#F9FF4E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9FF4E
19.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##F9FF4E#FFFFFF#000000##000000
##F9FF4E1.001.0819.4419.44
#FFFFFF1.081.0021.0021.00
#00000019.4421.001.001.00
##00000019.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF42F
Deuteranopia (green-blind)
#FFF85B
Tritanopia (blue-blind)
#FFF0DC
Achromatopsia (no color)
#F6F6F6

Design tokens & code

CSS
--color: #f9ff4e;
/* rgb */ color: rgb(249, 255, 78);
/* oklch */ color: oklch(96.6% 0.189 111.4);
Tailwind
colors: {
  custom: {
    50: '#ffff8a',
    500: '#f9ff4e',
    950: '#000000',
  },
}
SCSS
$custom: #f9ff4e;
$custom-light: #ffff8a;
$custom-dark: #000000;
JSON
{
  "hex": "#f9ff4e",
  "rgb": {
    "r": 249,
    "g": 255,
    "b": 78
  },
  "hsl": {
    "h": 62.034,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.96572,
    "c": 0.18873,
    "h": 111.4
  },
  "luminance": 0.9221
}

Semantic roles & 50–950 ramp

primary
#F9FF4E
secondary
#2A24CD
accent
#00E608
background
#FFFFFC
surface
#FFFFF4
border
#D7D7CE
text
#18170D
muted
#86857F

Preview Lab

Preview with #F9FF4E

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

Preview Lab → · Contrast checker → · Palette generator →

#F9FF4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva