#FCF581#FCF581

#FCF581 is a very light, vivid yellow. Relative luminance 0.876; OKLCH L 95.2% C 0.138 H 105.6°. Best body text is #000000 at 18.52:1 contrast (WCAG AA passes).

Color values

HEX	#FCF581
RGB	rgb(252, 245, 129)
HSL	hsl(57, 95%, 75%)
HSV	hsv(57, 49%, 99%)
CMYK	cmyk(0%, 2.8%, 48.8%, 1.2%)
CIE-LAB	lab(94.99, -12.76, 56.17)
CIE-LCH	lch(94.99, 57.60, 102.80°)
OKLab	oklab(95.24% -0.0373 0.1331)
OKLCH	oklch(95.24% 0.138 105.6)
XYZ	xyz(76.7617, 87.5874, 33.6271)
Luminance	0.8759 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCF581 #8188FC

analogous

#FCB781 #FCF581 #C6FC81

triadic

#FCF581 #81FCF5 #F581FC

tetradic

#FCF581 #81FCB7 #8188FC #FC81C6

square

#FCF581 #81FCB7 #8188FC #FC81C6

split-complementary

#FCF581 #81C6FC #B781FC

monochromatic

#F9EC09 #FBF045 #FCF581 #FDFABD #FEFDE1

Accessibility & contrast

On white

1.13

#FCF581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.52

#FCF581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCF581

18.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCF581	#FFFFFF	#000000	##000000
##FCF581	1.00	1.13	18.52	18.52
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.52	21.00	1.00	1.00
##000000	18.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE77

Deuteranopia (green-blind)

#FFF387

Tritanopia (blue-blind)

#FFE8DA

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fcf581;
/* rgb */ color: rgb(252, 245, 129);
/* oklch */ color: oklch(95.2% 0.138 105.6);

Tailwind

colors: {
  custom: {
    50: '#fff8a8',
    500: '#fcf581',
    950: '#000000',
  },
}

SCSS

$custom: #fcf581;
$custom-light: #fff8a8;
$custom-dark: #000000;

JSON

{
  "hex": "#fcf581",
  "rgb": {
    "r": 252,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 56.585,
    "s": 95.349,
    "l": 74.706
  },
  "oklch": {
    "l": 0.95235,
    "c": 0.13823,
    "h": 105.6
  },
  "luminance": 0.87585
}

Semantic roles & 50–950 ramp

primary

#FCF581

secondary

#474FDA

accent

#0DE600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FCF581

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

Preview Lab → · Contrast checker → · Palette generator →