#F9FF50#F9FF50

#F9FF50 is a very light, vivid yellow. Relative luminance 0.922; OKLCH L 96.6% C 0.188 H 111.4°. Best body text is #000000 at 19.45:1 contrast (WCAG AA passes).

Color values

HEX	#F9FF50
RGB	rgb(249, 255, 80)
HSL	hsl(62, 100%, 66%)
HSV	hsv(62, 69%, 100%)
CMYK	cmyk(2.4%, 0%, 68.6%, 0%)
CIE-LAB	lab(96.92, -22.07, 78.45)
CIE-LCH	lch(96.92, 81.50, 105.71°)
OKLab	oklab(96.59% -0.0684 0.1746)
OKLCH	oklch(96.59% 0.188 111.4)
XYZ	xyz(76.2773, 92.2408, 21.3740)
Luminance	0.9224 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9FF50 #5650FF

analogous

#FFAD50 #F9FF50 #A1FF50

triadic

#F9FF50 #50F9FF #FF50F9

tetradic

#F9FF50 #50FFAD #5650FF #FF50A1

square

#F9FF50 #50FFAD #5650FF #FF50A1

split-complementary

#F9FF50 #50A1FF #AD50FF

monochromatic

#CDD500 #F7FF13 #F9FF50 #FBFF8D #FDFFCA

Accessibility & contrast

On white

1.08

#F9FF50 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.45

#F9FF50 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9FF50

19.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9FF50	#FFFFFF	#000000	##000000
##F9FF50	1.00	1.08	19.45	19.45
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.45	21.00	1.00	1.00
##000000	19.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF433

Deuteranopia (green-blind)

#FFF85D

Tritanopia (blue-blind)

#FFF0DD

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #f9ff50;
/* rgb */ color: rgb(249, 255, 80);
/* oklch */ color: oklch(96.6% 0.188 111.4);

Tailwind

colors: {
  custom: {
    50: '#ffff8b',
    500: '#f9ff50',
    950: '#000000',
  },
}

SCSS

$custom: #f9ff50;
$custom-light: #ffff8b;
$custom-dark: #000000;

JSON

{
  "hex": "#f9ff50",
  "rgb": {
    "r": 249,
    "g": 255,
    "b": 80
  },
  "hsl": {
    "h": 62.057,
    "s": 100,
    "l": 65.686
  },
  "oklch": {
    "l": 0.96585,
    "c": 0.18753,
    "h": 111.4
  },
  "luminance": 0.92239
}

Semantic roles & 50–950 ramp

primary

#F9FF50

secondary

#2A24CF

accent

#00E608

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F9FF50

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

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