#F0EF47#F0EF47

#F0EF47 is a very light, vivid yellow. Relative luminance 0.807; OKLCH L 92.5% C 0.179 H 109.1°. Best body text is #000000 at 17.14:1 contrast (WCAG AA passes).

Color values

HEX	#F0EF47
RGB	rgb(240, 239, 71)
HSL	hsl(60, 85%, 61%)
HSV	hsv(60, 70%, 94%)
CMYK	cmyk(0%, 0.4%, 70.4%, 5.9%)
CIE-LAB	lab(92.00, -18.48, 76.53)
CIE-LCH	lch(92.00, 78.73, 103.57°)
OKLab	oklab(92.47% -0.0587 0.1694)
OKLCH	oklch(92.47% 0.179 109.1)
XYZ	xyz(67.9415, 80.7153, 17.9607)
Luminance	0.8071 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0EF47 #4748F0

analogous

#F09A47 #F0EF47 #9CF047

triadic

#F0EF47 #47F0EF #EF47F0

tetradic

#F0EF47 #47F09A #4748F0 #F0479C

square

#F0EF47 #47F09A #4748F0 #F0479C

split-complementary

#F0EF47 #479CF0 #9A47F0

monochromatic

#AEAD0E #E7E613 #F0EF47 #F5F480 #F9F9B8

Accessibility & contrast

On white

1.23

#F0EF47 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.14

#F0EF47 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0EF47

17.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0EF47	#FFFFFF	#000000	##000000
##F0EF47	1.00	1.23	17.14	17.14
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.14	21.00	1.00	1.00
##000000	17.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE528

Deuteranopia (green-blind)

#FFEB54

Tritanopia (blue-blind)

#FFE0CE

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #f0ef47;
/* rgb */ color: rgb(240, 239, 71);
/* oklch */ color: oklch(92.5% 0.179 109.1);

Tailwind

colors: {
  custom: {
    50: '#f9f485',
    500: '#f0ef47',
    950: '#000000',
  },
}

SCSS

$custom: #f0ef47;
$custom-light: #f9f485;
$custom-dark: #000000;

JSON

{
  "hex": "#f0ef47",
  "rgb": {
    "r": 240,
    "g": 239,
    "b": 71
  },
  "hsl": {
    "h": 59.645,
    "s": 84.925,
    "l": 60.98
  },
  "oklch": {
    "l": 0.92473,
    "c": 0.17923,
    "h": 109.1
  },
  "luminance": 0.80713
}

Semantic roles & 50–950 ramp

primary

#F0EF47

secondary

#2C2DAF

accent

#05E104

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #F0EF47

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

Preview Lab → · Contrast checker → · Palette generator →