#F4EF55#F4EF55

#F4EF55 is a very light, vivid yellow. Relative luminance 0.816; OKLCH L 92.9% C 0.170 H 107.5°. Best body text is #000000 at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#F4EF55
RGB	rgb(244, 239, 85)
HSL	hsl(58, 88%, 65%)
HSV	hsv(58, 65%, 96%)
CMYK	cmyk(0%, 2%, 65.2%, 4.3%)
CIE-LAB	lab(92.41, -16.14, 71.97)
CIE-LCH	lch(92.41, 73.75, 102.64°)
OKLab	oklab(92.9% -0.051 0.1619)
OKLCH	oklch(92.9% 0.17 107.5)
XYZ	xyz(69.8169, 81.6242, 20.6699)
Luminance	0.8162 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F4EF55 #555AF4

analogous

#F49F55 #F4EF55 #AAF455

triadic

#F4EF55 #55F4EF #EF55F4

tetradic

#F4EF55 #55F49F #555AF4 #F455AA

square

#F4EF55 #55F49F #555AF4 #F455AA

split-complementary

#F4EF55 #55AAF4 #9F55F4

monochromatic

#C2BC0D #F0EA1C #F4EF55 #F8F48E #FBFAC8

Accessibility & contrast

On white

1.21

#F4EF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.32

#F4EF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F4EF55

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F4EF55	#FFFFFF	#000000	##000000
##F4EF55	1.00	1.21	17.32	17.32
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.32	21.00	1.00	1.00
##000000	17.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE640

Deuteranopia (green-blind)

#FFEC5F

Tritanopia (blue-blind)

#FFE0D0

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #f4ef55;
/* rgb */ color: rgb(244, 239, 85);
/* oklch */ color: oklch(92.9% 0.170 107.5);

Tailwind

colors: {
  custom: {
    50: '#fbf48c',
    500: '#f4ef55',
    950: '#000000',
  },
}

SCSS

$custom: #f4ef55;
$custom-light: #fbf48c;
$custom-dark: #000000;

JSON

{
  "hex": "#f4ef55",
  "rgb": {
    "r": 244,
    "g": 239,
    "b": 85
  },
  "hsl": {
    "h": 58.113,
    "s": 87.845,
    "l": 64.51
  },
  "oklch": {
    "l": 0.929,
    "c": 0.16971,
    "h": 107.5
  },
  "luminance": 0.81622
}

Semantic roles & 50–950 ramp

primary

#F4EF55

secondary

#2E32C0

accent

#08E401

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F4EF55

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

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