#F0FF43#F0FF43

#F0FF43 is a very light, vivid yellow. Relative luminance 0.905; OKLCH L 95.8% C 0.197 H 114.2°. Best body text is #000000 at 19.09:1 contrast (WCAG AA passes).

Color values

HEX	#F0FF43
RGB	rgb(240, 255, 67)
HSL	hsl(65, 100%, 63%)
HSV	hsv(65, 74%, 100%)
CMYK	cmyk(5.9%, 0%, 73.7%, 0%)
CIE-LAB	lab(96.18, -26.26, 81.78)
CIE-LCH	lch(96.18, 85.89, 107.80°)
OKLab	oklab(95.81% -0.0807 0.1798)
OKLCH	oklch(95.81% 0.197 114.2)
XYZ	xyz(72.7105, 90.4519, 18.9378)
Luminance	0.9045 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0FF43 #5243FF

analogous

#FFB043 #F0FF43 #92FF43

triadic

#F0FF43 #43F0FF #FF43F0

tetradic

#F0FF43 #43FFB0 #5243FF #FF4392

square

#F0FF43 #43FFB0 #5243FF #FF4392

split-complementary

#F0FF43 #4392FF #B043FF

monochromatic

#B8C800 #EBFF06 #F0FF43 #F5FF80 #FAFFBD

Accessibility & contrast

On white

1.10

#F0FF43 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.09

#F0FF43 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0FF43

19.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0FF43	#FFFFFF	#000000	##000000
##F0FF43	1.00	1.10	19.09	19.09
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.09	21.00	1.00	1.00
##000000	19.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF215

Deuteranopia (green-blind)

#FFF653

Tritanopia (blue-blind)

#FFF0DC

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #f0ff43;
/* rgb */ color: rgb(240, 255, 67);
/* oklch */ color: oklch(95.8% 0.197 114.2);

Tailwind

colors: {
  custom: {
    50: '#f9ff85',
    500: '#f0ff43',
    950: '#000000',
  },
}

SCSS

$custom: #f0ff43;
$custom-light: #f9ff85;
$custom-dark: #000000;

JSON

{
  "hex": "#f0ff43",
  "rgb": {
    "r": 240,
    "g": 255,
    "b": 67
  },
  "hsl": {
    "h": 64.787,
    "s": 100,
    "l": 63.137
  },
  "oklch": {
    "l": 0.9581,
    "c": 0.19708,
    "h": 114.2
  },
  "luminance": 0.90451
}

Semantic roles & 50–950 ramp

primary

#F0FF43

secondary

#2F23C4

accent

#00E612

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #F0FF43

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

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