#F4EF64#F4EF64

#F4EF64 is a very light, vivid yellow. Relative luminance 0.819; OKLCH L 93.0% C 0.159 H 107.2°. Best body text is #000000 at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#F4EF64
RGB	rgb(244, 239, 100)
HSL	hsl(58, 87%, 67%)
HSV	hsv(58, 59%, 96%)
CMYK	cmyk(0%, 2%, 59%, 4.3%)
CIE-LAB	lab(92.53, -15.23, 66.05)
CIE-LCH	lch(92.53, 67.78, 102.98°)
OKLab	oklab(93.03% -0.0468 0.1515)
OKLCH	oklch(93.03% 0.159 107.2)
XYZ	xyz(70.4772, 81.8884, 24.1477)
Luminance	0.8189 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F4EF64 #6469F4

analogous

#F4A764 #F4EF64 #B1F464

triadic

#F4EF64 #64F4EF #EF64F4

tetradic

#F4EF64 #64F4A7 #6469F4 #F464B1

square

#F4EF64 #64F4A7 #6469F4 #F464B1

split-complementary

#F4EF64 #64B1F4 #A764F4

monochromatic

#CFC80F #F0E92B #F4EF64 #F8F59D #FCFBD6

Accessibility & contrast

On white

1.21

#F4EF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.38

#F4EF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F4EF64

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F4EF64	#FFFFFF	#000000	##000000
##F4EF64	1.00	1.21	17.38	17.38
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.38	21.00	1.00	1.00
##000000	17.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE654

Deuteranopia (green-blind)

#FFEC6C

Tritanopia (blue-blind)

#FFE1D1

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #f4ef64;
/* rgb */ color: rgb(244, 239, 100);
/* oklch */ color: oklch(93.0% 0.159 107.2);

Tailwind

colors: {
  custom: {
    50: '#fbf495',
    500: '#f4ef64',
    950: '#000000',
  },
}

SCSS

$custom: #f4ef64;
$custom-light: #fbf495;
$custom-dark: #000000;

JSON

{
  "hex": "#f4ef64",
  "rgb": {
    "r": 244,
    "g": 239,
    "b": 100
  },
  "hsl": {
    "h": 57.917,
    "s": 86.747,
    "l": 67.451
  },
  "oklch": {
    "l": 0.93031,
    "c": 0.15856,
    "h": 107.2
  },
  "luminance": 0.81886
}

Semantic roles & 50–950 ramp

primary

#F4EF64

secondary

#3237CB

accent

#0AE302

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F4EF64

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

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