#F4EF66#F4EF66

#F4EF66 is a very light, vivid yellow. Relative luminance 0.819; OKLCH L 93.0% C 0.157 H 107.1°. Best body text is #000000 at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#F4EF66
RGB	rgb(244, 239, 102)
HSL	hsl(58, 87%, 68%)
HSV	hsv(58, 58%, 96%)
CMYK	cmyk(0%, 2%, 58.2%, 4.3%)
CIE-LAB	lab(92.54, -15.09, 65.23)
CIE-LCH	lch(92.54, 66.95, 103.03°)
OKLab	oklab(93.05% -0.0462 0.15)
OKLCH	oklch(93.05% 0.157 107.1)
XYZ	xyz(70.5752, 81.9275, 24.6637)
Luminance	0.8193 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F4EF66 #666BF4

analogous

#F4A866 #F4EF66 #B2F466

triadic

#F4EF66 #66F4EF #EF66F4

tetradic

#F4EF66 #66F4A8 #666BF4 #F466B2

square

#F4EF66 #66F4A8 #666BF4 #F466B2

split-complementary

#F4EF66 #66B2F4 #A866F4

monochromatic

#D1CA0F #F0E92D #F4EF66 #F8F59F #FCFBD8

Accessibility & contrast

On white

1.21

#F4EF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.39

#F4EF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F4EF66

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F4EF66	#FFFFFF	#000000	##000000
##F4EF66	1.00	1.21	17.39	17.39
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.39	21.00	1.00	1.00
##000000	17.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE757

Deuteranopia (green-blind)

#FFEC6E

Tritanopia (blue-blind)

#FFE1D2

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #f4ef66;
/* rgb */ color: rgb(244, 239, 102);
/* oklch */ color: oklch(93.0% 0.157 107.1);

Tailwind

colors: {
  custom: {
    50: '#fbf496',
    500: '#f4ef66',
    950: '#000000',
  },
}

SCSS

$custom: #f4ef66;
$custom-light: #fbf496;
$custom-dark: #000000;

JSON

{
  "hex": "#f4ef66",
  "rgb": {
    "r": 244,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 57.887,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.9305,
    "c": 0.15695,
    "h": 107.1
  },
  "luminance": 0.81925
}

Semantic roles & 50–950 ramp

primary

#F4EF66

secondary

#3237CC

accent

#0AE302

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F4EF66

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

Preview Lab → · Contrast checker → · Palette generator →