#F0EF63#F0EF63

#F0EF63 is a very light, vivid yellow. Relative luminance 0.812; OKLCH L 92.7% C 0.160 H 108.8°. Best body text is #000000 at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#F0EF63
RGB	rgb(240, 239, 99)
HSL	hsl(60, 82%, 66%)
HSV	hsv(60, 59%, 94%)
CMYK	cmyk(0%, 0.4%, 58.8%, 5.9%)
CIE-LAB	lab(92.20, -16.90, 66.03)
CIE-LCH	lch(92.20, 68.16, 104.36°)
OKLab	oklab(92.7% -0.0514 0.1514)
OKLCH	oklch(92.7% 0.16 108.8)
XYZ	xyz(69.0559, 81.1610, 23.8300)
Luminance	0.8116 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0EF63 #6364F0

analogous

#F0A863 #F0EF63 #ABF063

triadic

#F0EF63 #63F0EF #EF63F0

tetradic

#F0EF63 #63F0A8 #6364F0 #F063AB

square

#F0EF63 #63F0A8 #6364F0 #F063AB

split-complementary

#F0EF63 #63ABF0 #A863F0

monochromatic

#C6C413 #EBE92B #F0EF63 #F5F59B #FBFAD3

Accessibility & contrast

On white

1.22

#F0EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.23

#F0EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0EF63

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0EF63	#FFFFFF	#000000	##000000
##F0EF63	1.00	1.22	17.23	17.23
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.23	21.00	1.00	1.00
##000000	17.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE653

Deuteranopia (green-blind)

#FFEB6B

Tritanopia (blue-blind)

#FFE1D1

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #f0ef63;
/* rgb */ color: rgb(240, 239, 99);
/* oklch */ color: oklch(92.7% 0.160 108.8);

Tailwind

colors: {
  custom: {
    50: '#f8f495',
    500: '#f0ef63',
    950: '#000000',
  },
}

SCSS

$custom: #f0ef63;
$custom-light: #f8f495;
$custom-dark: #000000;

JSON

{
  "hex": "#f0ef63",
  "rgb": {
    "r": 240,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 59.574,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.92695,
    "c": 0.1599,
    "h": 108.8
  },
  "luminance": 0.81159
}

Semantic roles & 50–950 ramp

primary

#F0EF63

secondary

#3435C3

accent

#08DF07

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F0EF63

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

Preview Lab → · Contrast checker → · Palette generator →