#F0F559#F0F559

#F0F559 is a very light, vivid yellow. Relative luminance 0.846; OKLCH L 93.9% C 0.174 H 111.1°. Best body text is #000000 at 17.91:1 contrast (WCAG AA passes).

Color values

HEX	#F0F559
RGB	rgb(240, 245, 89)
HSL	hsl(62, 89%, 65%)
HSV	hsv(62, 64%, 96%)
CMYK	cmyk(2%, 0%, 63.7%, 3.9%)
CIE-LAB	lab(93.69, -20.43, 71.65)
CIE-LCH	lch(93.69, 74.51, 105.91°)
OKLab	oklab(93.86% -0.0624 0.1619)
OKLCH	oklch(93.86% 0.174 111.1)
XYZ	xyz(70.3929, 84.5531, 22.0615)
Luminance	0.8455 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0F559 #5E59F5

analogous

#F5AC59 #F0F559 #A2F559

triadic

#F0F559 #59F0F5 #F559F0

tetradic

#F0F559 #59F5AC #5E59F5 #F559A2

square

#F0F559 #59F5AC #5E59F5 #F559A2

split-complementary

#F0F559 #59A2F5 #AC59F5

monochromatic

#C2C80C #EBF21F #F0F559 #F5F893 #FAFCCC

Accessibility & contrast

On white

1.17

#F0F559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.91

#F0F559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0F559

17.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0F559	#FFFFFF	#000000	##000000
##F0F559	1.00	1.17	17.91	17.91
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.91	21.00	1.00	1.00
##000000	17.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB44

Deuteranopia (green-blind)

#FFEF63

Tritanopia (blue-blind)

#FFE7D5

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #f0f559;
/* rgb */ color: rgb(240, 245, 89);
/* oklch */ color: oklch(93.9% 0.174 111.1);

Tailwind

colors: {
  custom: {
    50: '#f8f88f',
    500: '#f0f559',
    950: '#000000',
  },
}

SCSS

$custom: #f0f559;
$custom-light: #f8f88f;
$custom-dark: #000000;

JSON

{
  "hex": "#f0f559",
  "rgb": {
    "r": 240,
    "g": 245,
    "b": 89
  },
  "hsl": {
    "h": 61.923,
    "s": 88.636,
    "l": 65.49
  },
  "oklch": {
    "l": 0.93857,
    "c": 0.17353,
    "h": 111.1
  },
  "luminance": 0.84551
}

Semantic roles & 50–950 ramp

primary

#F0F559

secondary

#332EC4

accent

#00E508

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F0F559

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

Preview Lab → · Contrast checker → · Palette generator →