#F0FF91#F0FF91

#F0FF91 is a very light, vivid yellow. Relative luminance 0.921; OKLCH L 96.6% C 0.135 H 115.4°. Best body text is #000000 at 19.42:1 contrast (WCAG AA passes).

Color values

HEX	#F0FF91
RGB	rgb(240, 255, 145)
HSL	hsl(68, 100%, 78%)
HSV	hsv(68, 43%, 100%)
CMYK	cmyk(5.9%, 0%, 43.1%, 0%)
CIE-LAB	lab(96.86, -20.73, 50.73)
CIE-LCH	lch(96.86, 54.81, 112.23°)
OKLab	oklab(96.57% -0.058 0.1224)
OKLCH	oklch(96.57% 0.135 115.4)
XYZ	xyz(76.8068, 92.0905, 40.5116)
Luminance	0.9209 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0FF91 #A091FF

analogous

#FFD791 #F0FF91 #B9FF91

triadic

#F0FF91 #91F0FF #FF91F0

tetradic

#F0FF91 #91FFD7 #A091FF #FF91B9

square

#F0FF91 #91FFD7 #A091FF #FF91B9

split-complementary

#F0FF91 #91B9FF #D791FF

monochromatic

#DFFF17 #E8FF54 #F0FF91 #F8FFCE #FBFFE0

Accessibility & contrast

On white

1.08

#F0FF91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.42

#F0FF91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0FF91

19.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0FF91	#FFFFFF	#000000	##000000
##F0FF91	1.00	1.08	19.42	19.42
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.42	21.00	1.00	1.00
##000000	19.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF588

Deuteranopia (green-blind)

#FFF796

Tritanopia (blue-blind)

#FBF4E5

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #f0ff91;
/* rgb */ color: rgb(240, 255, 145);
/* oklch */ color: oklch(96.6% 0.135 115.4);

Tailwind

colors: {
  custom: {
    50: '#f6ffb3',
    500: '#f0ff91',
    950: '#000000',
  },
}

SCSS

$custom: #f0ff91;
$custom-light: #f6ffb3;
$custom-dark: #000000;

JSON

{
  "hex": "#f0ff91",
  "rgb": {
    "r": 240,
    "g": 255,
    "b": 145
  },
  "hsl": {
    "h": 68.182,
    "s": 100,
    "l": 78.431
  },
  "oklch": {
    "l": 0.96566,
    "c": 0.13539,
    "h": 115.4
  },
  "luminance": 0.9209
}

Semantic roles & 50–950 ramp

primary

#F0FF91

secondary

#6753E1

accent

#00E61F

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171811

muted

#858681

Preview Lab

Preview with #F0FF91

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

Preview Lab → · Contrast checker → · Palette generator →