#F3F581#F3F581

#F3F581 is a very light, vivid yellow. Relative luminance 0.859; OKLCH L 94.5% C 0.139 H 109.7°. Best body text is #000000 at 18.19:1 contrast (WCAG AA passes).

Color values

HEX#F3F581
RGBrgb(243, 245, 129)
HSLhsl(61, 85%, 73%)
HSVhsv(61, 47%, 96%)
CMYKcmyk(0.8%, 0%, 47.3%, 3.9%)
CIE-LABlab(94.29, -16.28, 55.17)
CIE-LCHlch(94.29, 57.52, 106.45°)
OKLaboklab(94.51% -0.0468 0.131)
OKLCHoklch(94.51% 0.139 109.7)
XYZxyz(73.5785, 85.9461, 33.4779)
Luminance0.8594 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#F3F581 #8381F5
analogous
#F5BD81 #F3F581 #B9F581
triadic
#F3F581 #81F3F5 #F581F3
tetradic
#F3F581 #81F5BD #8381F5 #F581B9
square
#F3F581 #81F5BD #8381F5 #F581B9
split-complementary
#F3F581 #81B9F5 #BD81F5
monochromatic
#E5E913 #EEF048 #F3F581 #F8F9BA #FCFDE3

Accessibility & contrast

On white

1.15
#F3F581 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

18.19
#F3F581 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F581
18.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##F3F581#FFFFFF#000000##000000
##F3F5811.001.1518.1918.19
#FFFFFF1.151.0021.0021.00
#00000018.1921.001.001.00
##00000018.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFEC77
Deuteranopia (green-blind)
#FFF187
Tritanopia (blue-blind)
#FFE9DA
Achromatopsia (no color)
#EFEFEF

Design tokens & code

CSS
--color: #f3f581;
/* rgb */ color: rgb(243, 245, 129);
/* oklch */ color: oklch(94.5% 0.139 109.7);
Tailwind
colors: {
  custom: {
    50: '#f9f8a8',
    500: '#f3f581',
    950: '#000000',
  },
}
SCSS
$custom: #f3f581;
$custom-light: #f9f8a8;
$custom-dark: #000000;
JSON
{
  "hex": "#f3f581",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 61.034,
    "s": 85.294,
    "l": 73.333
  },
  "oklch": {
    "l": 0.9451,
    "c": 0.13915,
    "h": 109.7
  },
  "luminance": 0.85944
}

Semantic roles & 50–950 ramp

primary
#F3F581
secondary
#4B49D1
accent
#04E208
background
#FFFFFD
surface
#FFFEF7
border
#D7D6D0
text
#181710
muted
#868581

Preview Lab

Preview with #F3F581

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

Preview Lab → · Contrast checker → · Palette generator →

#F3F581 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva