#FFF581#FFF581

#FFF581 is a very light, vivid yellow. Relative luminance 0.881; OKLCH L 95.5% C 0.138 H 104.3°. Best body text is #000000 at 18.63:1 contrast (WCAG AA passes).

Color values

HEX	#FFF581
RGB	rgb(255, 245, 129)
HSL	hsl(55, 100%, 75%)
HSV	hsv(55, 49%, 100%)
CMYK	cmyk(0%, 3.9%, 49.4%, 0%)
CIE-LAB	lab(95.22, -11.59, 56.51)
CIE-LCH	lch(95.22, 57.69, 101.59°)
OKLab	oklab(95.48% -0.034 0.1338)
OKLCH	oklch(95.48% 0.138 104.3)
XYZ	xyz(77.8569, 88.1522, 33.6785)
Luminance	0.8815 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFF581 #818BFF

analogous

#FFB681 #FFF581 #CAFF81

triadic

#FFF581 #81FFF5 #F581FF

tetradic

#FFF581 #81FFB6 #818BFF #FF81CA

square

#FFF581 #81FFB6 #818BFF #FF81CA

split-complementary

#FFF581 #81CAFF #B681FF

monochromatic

#FFEB07 #FFF044 #FFF581 #FFFABE #FFFDE0

Accessibility & contrast

On white

1.13

#FFF581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.63

#FFF581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFF581

18.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFF581	#FFFFFF	#000000	##000000
##FFF581	1.00	1.13	18.63	18.63
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.63	21.00	1.00	1.00
##000000	18.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE77

Deuteranopia (green-blind)

#FFF486

Tritanopia (blue-blind)

#FFE8DA

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fff581;
/* rgb */ color: rgb(255, 245, 129);
/* oklch */ color: oklch(95.5% 0.138 104.3);

Tailwind

colors: {
  custom: {
    50: '#fff8a8',
    500: '#fff581',
    950: '#000000',
  },
}

SCSS

$custom: #fff581;
$custom-light: #fff8a8;
$custom-dark: #000000;

JSON

{
  "hex": "#fff581",
  "rgb": {
    "r": 255,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 55.238,
    "s": 100,
    "l": 75.294
  },
  "oklch": {
    "l": 0.95482,
    "c": 0.13807,
    "h": 104.3
  },
  "luminance": 0.8815
}

Semantic roles & 50–950 ramp

primary

#FFF581

secondary

#4652DE

accent

#12E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FFF581

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

Preview Lab → · Contrast checker → · Palette generator →