#F0EF66#F0EF66

#F0EF66 is a very light, vivid yellow. Relative luminance 0.812; OKLCH L 92.7% C 0.157 H 108.7°. Best body text is #000000 at 17.24:1 contrast (WCAG AA passes).

Color values

HEX	#F0EF66
RGB	rgb(240, 239, 102)
HSL	hsl(60, 82%, 67%)
HSV	hsv(60, 58%, 94%)
CMYK	cmyk(0%, 0.4%, 57.5%, 5.9%)
CIE-LAB	lab(92.23, -16.69, 64.79)
CIE-LCH	lch(92.23, 66.91, 104.45°)
OKLab	oklab(92.72% -0.0505 0.1492)
OKLCH	oklch(92.72% 0.157 108.7)
XYZ	xyz(69.2020, 81.2195, 24.5994)
Luminance	0.8122 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0EF66 #6667F0

analogous

#F0AA66 #F0EF66 #ACF066

triadic

#F0EF66 #66F0EF #EF66F0

tetradic

#F0EF66 #66F0AA #6667F0 #F066AC

square

#F0EF66 #66F0AA #6667F0 #F066AC

split-complementary

#F0EF66 #66ACF0 #AA66F0

monochromatic

#C8C714 #EBE92E #F0EF66 #F5F59E #FBFBD5

Accessibility & contrast

On white

1.22

#F0EF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.24

#F0EF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0EF66

17.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0EF66	#FFFFFF	#000000	##000000
##F0EF66	1.00	1.22	17.24	17.24
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.24	21.00	1.00	1.00
##000000	17.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE657

Deuteranopia (green-blind)

#FFEB6E

Tritanopia (blue-blind)

#FFE1D2

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #f0ef66;
/* rgb */ color: rgb(240, 239, 102);
/* oklch */ color: oklch(92.7% 0.157 108.7);

Tailwind

colors: {
  custom: {
    50: '#f8f496',
    500: '#f0ef66',
    950: '#000000',
  },
}

SCSS

$custom: #f0ef66;
$custom-light: #f8f496;
$custom-dark: #000000;

JSON

{
  "hex": "#f0ef66",
  "rgb": {
    "r": 240,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 59.565,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.92724,
    "c": 0.15748,
    "h": 108.7
  },
  "luminance": 0.81218
}

Semantic roles & 50–950 ramp

primary

#F0EF66

secondary

#3536C5

accent

#09DF07

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F0EF66

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

Preview Lab → · Contrast checker → · Palette generator →