#F0CB51#F0CB51

#F0CB51 is a very light, vivid yellow. Relative luminance 0.618; OKLCH L 85.2% C 0.144 H 92.1°. Best body text is #000000 at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#F0CB51
RGB	rgb(240, 203, 81)
HSL	hsl(46, 84%, 63%)
HSV	hsv(46, 66%, 94%)
CMYK	cmyk(0%, 15.4%, 66.3%, 5.9%)
CIE-LAB	lab(82.83, 0.02, 63.50)
CIE-LCH	lch(82.83, 63.50, 89.98°)
OKLab	oklab(85.21% -0.0051 0.1435)
OKLCH	oklch(85.21% 0.144 92.1)
XYZ	xyz(58.7793, 61.8345, 16.6222)
Luminance	0.6183 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0CB51 #5176F0

analogous

#F07C51 #F0CB51 #C5F051

triadic

#F0CB51 #51F0CB #CB51F0

tetradic

#F0CB51 #51F07C #5176F0 #F051C5

square

#F0CB51 #51F07C #5176F0 #F051C5

split-complementary

#F0CB51 #51C5F0 #7C51F0

monochromatic

#B79010 #EBBA19 #F0CB51 #F5DC89 #FAEDC2

Accessibility & contrast

On white

1.57

#F0CB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.37

#F0CB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0CB51

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0CB51	#FFFFFF	#000000	##000000
##F0CB51	1.00	1.57	13.37	13.37
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.37	21.00	1.00	1.00
##000000	13.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C842

Deuteranopia (green-blind)

#E9D357

Tritanopia (blue-blind)

#FFBBB1

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #f0cb51;
/* rgb */ color: rgb(240, 203, 81);
/* oklch */ color: oklch(85.2% 0.144 92.1);

Tailwind

colors: {
  custom: {
    50: '#f9da87',
    500: '#f0cb51',
    950: '#000000',
  },
}

SCSS

$custom: #f0cb51;
$custom-light: #f9da87;
$custom-dark: #000000;

JSON

{
  "hex": "#f0cb51",
  "rgb": {
    "r": 240,
    "g": 203,
    "b": 81
  },
  "hsl": {
    "h": 46.038,
    "s": 84.127,
    "l": 62.941
  },
  "oklch": {
    "l": 0.85205,
    "c": 0.14357,
    "h": 92.1
  },
  "luminance": 0.61831
}

Semantic roles & 50–950 ramp

primary

#F0CB51

secondary

#2F4FB6

accent

#38E105

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140C

muted

#86837F

Preview Lab

Preview with #F0CB51

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

Preview Lab → · Contrast checker → · Palette generator →