#F9FFEF#F9FFEF

#F9FFEF is a very light, muted yellow-green. Relative luminance 0.979; OKLCH L 99.1% C 0.022 H 123.6°. Best body text is #000000 at 20.58:1 contrast (WCAG AA passes).

Color values

HEX#F9FFEF
RGBrgb(249, 255, 239)
HSLhsl(83, 100%, 97%)
HSVhsv(83, 6%, 100%)
CMYKcmyk(2.4%, 0%, 6.3%, 0%)
CIE-LABlab(99.18, -4.74, 6.95)
CIE-LCHlch(99.18, 8.42, 124.27°)
OKLaboklab(99.12% -0.0121 0.0182)
OKLCHoklch(99.12% 0.022 123.6)
XYZxyz(90.4045, 97.8917, 95.7769)
Luminance0.9789 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#F9FFEF #F5EFFF
analogous
#FFFDEF #F9FFEF #F1FFEF
triadic
#F9FFEF #EFF9FF #FFEFF9
tetradic
#F9FFEF #EFFFFD #F5EFFF #FFEFF1
square
#F9FFEF #EFFFFD #F5EFFF #FFEFF1
split-complementary
#F9FFEF #EFF1FF #FDEFFF
monochromatic
#CBFF75 #E2FFB2 #F4FFE0 #F4FFE0 #F4FFE0

Accessibility & contrast

On white

1.02
#F9FFEF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

20.58
#F9FFEF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9FFEF
20.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##F9FFEF#FFFFFF#000000##000000
##F9FFEF1.001.0220.5820.58
#FFFFFF1.021.0021.0021.00
#00000020.5821.001.001.00
##00000020.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFFDEE
Deuteranopia (green-blind)
#FFFDF0
Tritanopia (blue-blind)
#FAFDFA
Achromatopsia (no color)
#FDFDFD

Design tokens & code

CSS
--color: #f9ffef;
/* rgb */ color: rgb(249, 255, 239);
/* oklch */ color: oklch(99.1% 0.022 123.6);
Tailwind
colors: {
  custom: {
    50: '#fbfff4',
    500: '#f9ffef',
    950: '#000000',
  },
}
SCSS
$custom: #f9ffef;
$custom-light: #fbfff4;
$custom-dark: #000000;
JSON
{
  "hex": "#f9ffef",
  "rgb": {
    "r": 249,
    "g": 255,
    "b": 239
  },
  "hsl": {
    "h": 82.5,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.99119,
    "c": 0.02188,
    "h": 123.6
  },
  "luminance": 0.97892
}

Semantic roles & 50–950 ramp

primary
#F9FFEF
secondary
#C0A3EF
accent
#00E656
background
#FFFFFF
surface
#FFFFFE
border
#D7D7D6
text
#171817
muted
#858685

Preview Lab

Preview with #F9FFEF

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

Preview Lab → · Contrast checker → · Palette generator →

#F9FFEF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva