#F0FB58#F0FB58

#F0FB58 is a very light, vivid yellow. Relative luminance 0.882; OKLCH L 95.1% C 0.180 H 113.1°. Best body text is #000000 at 18.64:1 contrast (WCAG AA passes).

Color values

HEX	#F0FB58
RGB	rgb(240, 251, 88)
HSL	hsl(64, 95%, 66%)
HSV	hsv(64, 65%, 98%)
CMYK	cmyk(4.4%, 0%, 64.9%, 1.6%)
CIE-LAB	lab(95.26, -23.35, 73.65)
CIE-LCH	lch(95.26, 77.27, 107.59°)
OKLab	oklab(95.11% -0.0707 0.166)
OKLCH	oklch(95.11% 0.18 113.1)
XYZ	xyz(72.1958, 88.2257, 22.4567)
Luminance	0.8822 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0FB58 #6358FB

analogous

#FBB558 #F0FB58 #9FFB58

triadic

#F0FB58 #58F0FB #FB58F0

tetradic

#F0FB58 #58FBB5 #6358FB #FB589F

square

#F0FB58 #58FBB5 #6358FB #FB589F

split-complementary

#F0FB58 #589FFB #B558FB

monochromatic

#C6D405 #EBFA1C #F0FB58 #F5FC94 #FBFED0

Accessibility & contrast

On white

1.13

#F0FB58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.64

#F0FB58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0FB58

18.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0FB58	#FFFFFF	#000000	##000000
##F0FB58	1.00	1.13	18.64	18.64
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.64	21.00	1.00	1.00
##000000	18.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF041

Deuteranopia (green-blind)

#FFF363

Tritanopia (blue-blind)

#FFEDDA

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #f0fb58;
/* rgb */ color: rgb(240, 251, 88);
/* oklch */ color: oklch(95.1% 0.180 113.1);

Tailwind

colors: {
  custom: {
    50: '#f8fc8f',
    500: '#f0fb58',
    950: '#000000',
  },
}

SCSS

$custom: #f0fb58;
$custom-light: #f8fc8f;
$custom-dark: #000000;

JSON

{
  "hex": "#f0fb58",
  "rgb": {
    "r": 240,
    "g": 251,
    "b": 88
  },
  "hsl": {
    "h": 64.049,
    "s": 95.322,
    "l": 66.471
  },
  "oklch": {
    "l": 0.95107,
    "c": 0.18043,
    "h": 113.1
  },
  "luminance": 0.88224
}

Semantic roles & 50–950 ramp

primary

#F0FB58

secondary

#3429CE

accent

#00E60F

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F0FB58

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

Preview Lab → · Contrast checker → · Palette generator →