#F0FE66#F0FE66

#F0FE66 is a very light, vivid yellow. Relative luminance 0.904; OKLCH L 95.9% C 0.173 H 114.1°. Best body text is #000000 at 19.07:1 contrast (WCAG AA passes).

Color values

HEX	#F0FE66
RGB	rgb(240, 254, 102)
HSL	hsl(66, 99%, 70%)
HSV	hsv(66, 60%, 100%)
CMYK	cmyk(5.5%, 0%, 59.8%, 0.4%)
CIE-LAB	lab(96.15, -23.89, 69.08)
CIE-LCH	lch(96.15, 73.10, 109.08°)
OKLab	oklab(95.86% -0.0709 0.1583)
OKLCH	oklch(95.86% 0.173 114.1)
XYZ	xyz(73.7770, 90.3695, 26.1244)
Luminance	0.9037 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0FE66 #7466FE

analogous

#FEC066 #F0FE66 #A4FE66

triadic

#F0FE66 #66F0FE #FE66F0

tetradic

#F0FE66 #66FEC0 #7466FE #FE66A4

square

#F0FE66 #66FEC0 #7466FE #FE66A4

split-complementary

#F0FE66 #66A4FE #C066FE

monochromatic

#D3E802 #EAFE29 #F0FE66 #F6FEA3 #FCFFE0

Accessibility & contrast

On white

1.10

#F0FE66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.07

#F0FE66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0FE66

19.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0FE66	#FFFFFF	#000000	##000000
##F0FE66	1.00	1.10	19.07	19.07
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.07	21.00	1.00	1.00
##000000	19.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF354

Deuteranopia (green-blind)

#FFF570

Tritanopia (blue-blind)

#FEF0DE

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #f0fe66;
/* rgb */ color: rgb(240, 254, 102);
/* oklch */ color: oklch(95.9% 0.173 114.1);

Tailwind

colors: {
  custom: {
    50: '#f8fe97',
    500: '#f0fe66',
    950: '#000000',
  },
}

SCSS

$custom: #f0fe66;
$custom-light: #f8fe97;
$custom-dark: #000000;

JSON

{
  "hex": "#f0fe66",
  "rgb": {
    "r": 240,
    "g": 254,
    "b": 102
  },
  "hsl": {
    "h": 65.526,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.95856,
    "c": 0.17341,
    "h": 114.1
  },
  "luminance": 0.90368
}

Semantic roles & 50–950 ramp

primary

#F0FE66

secondary

#3F2FD9

accent

#00E615

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F0FE66

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

Preview Lab → · Contrast checker → · Palette generator →