#F0EF55#F0EF55

#F0EF55 is a very light, vivid yellow. Relative luminance 0.809; OKLCH L 92.6% C 0.170 H 109.0°. Best body text is #000000 at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#F0EF55
RGB	rgb(240, 239, 85)
HSL	hsl(60, 84%, 64%)
HSV	hsv(60, 65%, 94%)
CMYK	cmyk(0%, 0.4%, 64.6%, 5.9%)
CIE-LAB	lab(92.09, -17.76, 71.54)
CIE-LCH	lch(92.09, 73.72, 103.94°)
OKLab	oklab(92.57% -0.0553 0.1611)
OKLCH	oklch(92.57% 0.17 109)
XYZ	xyz(68.4437, 80.9161, 20.6056)
Luminance	0.8091 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0EF55 #5556F0

analogous

#F0A155 #F0EF55 #A3F055

triadic

#F0EF55 #55F0EF #EF55F0

tetradic

#F0EF55 #55F0A1 #5556F0 #F055A3

square

#F0EF55 #55F0A1 #5556F0 #F055A3

split-complementary

#F0EF55 #55A3F0 #A155F0

monochromatic

#BAB910 #EBEA1D #F0EF55 #F5F48D #FAFAC5

Accessibility & contrast

On white

1.22

#F0EF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.18

#F0EF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0EF55

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0EF55	#FFFFFF	#000000	##000000
##F0EF55	1.00	1.22	17.18	17.18
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.18	21.00	1.00	1.00
##000000	17.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE640

Deuteranopia (green-blind)

#FFEB5F

Tritanopia (blue-blind)

#FFE0D0

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #f0ef55;
/* rgb */ color: rgb(240, 239, 85);
/* oklch */ color: oklch(92.6% 0.170 109.0);

Tailwind

colors: {
  custom: {
    50: '#f8f48c',
    500: '#f0ef55',
    950: '#000000',
  },
}

SCSS

$custom: #f0ef55;
$custom-light: #f8f48c;
$custom-dark: #000000;

JSON

{
  "hex": "#f0ef55",
  "rgb": {
    "r": 240,
    "g": 239,
    "b": 85
  },
  "hsl": {
    "h": 59.613,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.92573,
    "c": 0.17033,
    "h": 109
  },
  "luminance": 0.80914
}

Semantic roles & 50–950 ramp

primary

#F0EF55

secondary

#3031B9

accent

#07E005

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F0EF55

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

Preview Lab → · Contrast checker → · Palette generator →