#F0F581#F0F581

#F0F581 is a very light, vivid yellow. Relative luminance 0.854; OKLCH L 94.3% C 0.140 H 111.0°. Best body text is #000000 at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#F0F581
RGB	rgb(240, 245, 129)
HSL	hsl(63, 85%, 73%)
HSV	hsv(63, 47%, 96%)
CMYK	cmyk(2%, 0%, 47.3%, 3.9%)
CIE-LAB	lab(94.06, -17.45, 54.84)
CIE-LCH	lch(94.06, 57.55, 107.65°)
OKLab	oklab(94.27% -0.05 0.1304)
OKLCH	oklch(94.27% 0.14 111)
XYZ	xyz(72.5514, 85.4165, 33.4298)
Luminance	0.8541 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0F581 #8681F5

analogous

#F5C081 #F0F581 #B6F581

triadic

#F0F581 #81F0F5 #F581F0

tetradic

#F0F581 #81F5C0 #8681F5 #F581B6

square

#F0F581 #81F5C0 #8681F5 #F581B6

split-complementary

#F0F581 #81B6F5 #C081F5

monochromatic

#E0E913 #E9F048 #F0F581 #F7F9BA #FCFDE3

Accessibility & contrast

On white

1.16

#F0F581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.08

#F0F581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0F581

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0F581	#FFFFFF	#000000	##000000
##F0F581	1.00	1.16	18.08	18.08
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.08	21.00	1.00	1.00
##000000	18.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC77

Deuteranopia (green-blind)

#FFF087

Tritanopia (blue-blind)

#FDE9DA

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f0f581;
/* rgb */ color: rgb(240, 245, 129);
/* oklch */ color: oklch(94.3% 0.140 111.0);

Tailwind

colors: {
  custom: {
    50: '#f7f8a8',
    500: '#f0f581',
    950: '#000000',
  },
}

SCSS

$custom: #f0f581;
$custom-light: #f7f8a8;
$custom-dark: #000000;

JSON

{
  "hex": "#f0f581",
  "rgb": {
    "r": 240,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 62.586,
    "s": 85.294,
    "l": 73.333
  },
  "oklch": {
    "l": 0.94274,
    "c": 0.13961,
    "h": 111
  },
  "luminance": 0.85415
}

Semantic roles & 50–950 ramp

primary

#F0F581

secondary

#4F49D1

accent

#04E20D

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #F0F581

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

Preview Lab → · Contrast checker → · Palette generator →