#F4FF55#F4FF55

#F4FF55 is a very light, vivid yellow. Relative luminance 0.914; OKLCH L 96.2% C 0.186 H 113.0°. Best body text is #000000 at 19.28:1 contrast (WCAG AA passes).

Color values

HEX	#F4FF55
RGB	rgb(244, 255, 85)
HSL	hsl(64, 100%, 67%)
HSV	hsv(64, 67%, 100%)
CMYK	cmyk(4.3%, 0%, 66.7%, 0%)
CIE-LAB	lab(96.58, -23.81, 76.21)
CIE-LCH	lch(96.58, 79.84, 107.35°)
OKLab	oklab(96.23% -0.0725 0.1708)
OKLCH	oklch(96.23% 0.186 113)
XYZ	xyz(74.7101, 91.4106, 22.3010)
Luminance	0.9141 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F4FF55 #6055FF

analogous

#FFB555 #F4FF55 #9FFF55

triadic

#F4FF55 #55F4FF #FF55F4

tetradic

#F4FF55 #55FFB5 #6055FF #FF559F

square

#F4FF55 #55FFB5 #6055FF #FF559F

split-complementary

#F4FF55 #559FFF #B555FF

monochromatic

#CCDA00 #F0FF18 #F4FF55 #F8FF92 #FCFFCF

Accessibility & contrast

On white

1.09

#F4FF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.28

#F4FF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F4FF55

19.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F4FF55	#FFFFFF	#000000	##000000
##F4FF55	1.00	1.09	19.28	19.28
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.28	21.00	1.00	1.00
##000000	19.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF33B

Deuteranopia (green-blind)

#FFF761

Tritanopia (blue-blind)

#FFF0DD

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f4ff55;
/* rgb */ color: rgb(244, 255, 85);
/* oklch */ color: oklch(96.2% 0.186 113.0);

Tailwind

colors: {
  custom: {
    50: '#fbff8e',
    500: '#f4ff55',
    950: '#000000',
  },
}

SCSS

$custom: #f4ff55;
$custom-light: #fbff8e;
$custom-dark: #000000;

JSON

{
  "hex": "#f4ff55",
  "rgb": {
    "r": 244,
    "g": 255,
    "b": 85
  },
  "hsl": {
    "h": 63.882,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.96232,
    "c": 0.18557,
    "h": 113
  },
  "luminance": 0.91409
}

Semantic roles & 50–950 ramp

primary

#F4FF55

secondary

#3025D3

accent

#00E60F

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F4FF55

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

Preview Lab → · Contrast checker → · Palette generator →