#FCF37B#FCF37B

#FCF37B is a very light, vivid yellow. Relative luminance 0.862; OKLCH L 94.8% C 0.142 H 104.9°. Best body text is #000000 at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#FCF37B
RGB	rgb(252, 243, 123)
HSL	hsl(56, 96%, 74%)
HSV	hsv(56, 51%, 99%)
CMYK	cmyk(0%, 3.6%, 51.2%, 1.2%)
CIE-LAB	lab(94.41, -12.29, 58.24)
CIE-LCH	lch(94.41, 59.53, 101.91°)
OKLab	oklab(94.76% -0.0365 0.1371)
OKLCH	oklch(94.76% 0.142 104.9)
XYZ	xyz(75.7727, 86.2290, 31.3875)
Luminance	0.8623 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCF37B #7B84FC

analogous

#FCB27B #FCF37B #C4FC7B

triadic

#FCF37B #7BFCF3 #F37BFC

tetradic

#FCF37B #7BFCB2 #7B84FC #FC7BC4

square

#FCF37B #7BFCB2 #7B84FC #FC7BC4

split-complementary

#FCF37B #7BC4FC #B27BFC

monochromatic

#F7E606 #FBEE3F #FCF37B #FDF8B7 #FEFCE1

Accessibility & contrast

On white

1.15

#FCF37B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.25

#FCF37B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCF37B

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCF37B	#FFFFFF	#000000	##000000
##FCF37B	1.00	1.15	18.25	18.25
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.25	21.00	1.00	1.00
##000000	18.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC70

Deuteranopia (green-blind)

#FFF281

Tritanopia (blue-blind)

#FFE5D8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fcf37b;
/* rgb */ color: rgb(252, 243, 123);
/* oklch */ color: oklch(94.8% 0.142 104.9);

Tailwind

colors: {
  custom: {
    50: '#fff6a4',
    500: '#fcf37b',
    950: '#000000',
  },
}

SCSS

$custom: #fcf37b;
$custom-light: #fff6a4;
$custom-dark: #000000;

JSON

{
  "hex": "#fcf37b",
  "rgb": {
    "r": 252,
    "g": 243,
    "b": 123
  },
  "hsl": {
    "h": 55.814,
    "s": 95.556,
    "l": 73.529
  },
  "oklch": {
    "l": 0.94756,
    "c": 0.14189,
    "h": 104.9
  },
  "luminance": 0.86227
}

Semantic roles & 50–950 ramp

primary

#FCF37B

secondary

#424CD9

accent

#10E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FCF37B

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

Preview Lab → · Contrast checker → · Palette generator →