#81DDFF#81DDFF

#81DDFF is a very light, moderate cyan. Relative luminance 0.636; OKLCH L 85.3% C 0.100 H 224.0°. Best body text is #000000 at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#81DDFF
RGB	rgb(129, 221, 255)
HSL	hsl(196, 100%, 75%)
HSV	hsv(196, 49%, 100%)
CMYK	cmyk(49.4%, 13.3%, 0%, 0%)
CIE-LAB	lab(83.75, -18.56, -25.02)
CIE-LCH	lch(83.75, 31.15, 233.44°)
OKLab	oklab(85.25% -0.0717 -0.0693)
OKLCH	oklch(85.25% 0.1 224)
XYZ	xyz(52.9530, 63.5957, 104.0731)
Luminance	0.6360 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DDFF #FFA381

analogous

#81FFE2 #81DDFF #819EFF

triadic

#81DDFF #FF81DD #DDFF81

tetradic

#81DDFF #E281FF #FFA381 #9EFF81

square

#81DDFF #E281FF #FFA381 #9EFF81

split-complementary

#81DDFF #FF819E #FFE281

monochromatic

#07BCFF #44CCFF #81DDFF #BEEEFF #E0F7FF

Accessibility & contrast

On white

1.53

#81DDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.72

#81DDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DDFF

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DDFF	#FFFFFF	#000000	##000000
##81DDFF	1.00	1.53	13.72	13.72
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.72	21.00	1.00	1.00
##000000	13.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAD9FF

Deuteranopia (green-blind)

#B7CBFF

Tritanopia (blue-blind)

#39E8E8

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #81ddff;
/* rgb */ color: rgb(129, 221, 255);
/* oklch */ color: oklch(85.3% 0.100 224.0);

Tailwind

colors: {
  custom: {
    50: '#ade7ff',
    500: '#81ddff',
    950: '#000000',
  },
}

SCSS

$custom: #81ddff;
$custom-light: #ade7ff;
$custom-dark: #000000;

JSON

{
  "hex": "#81ddff",
  "rgb": {
    "r": 129,
    "g": 221,
    "b": 255
  },
  "hsl": {
    "h": 196.19,
    "s": 100,
    "l": 75.294
  },
  "oklch": {
    "l": 0.85251,
    "c": 0.09971,
    "h": 224
  },
  "luminance": 0.636
}

Semantic roles & 50–950 ramp

primary

#81DDFF

secondary

#DE6F46

accent

#3E00E6

background

#FDFEFF

surface

#F8FCFF

border

#D1D5D7

text

#111618

muted

#818486

Preview Lab

Preview with #81DDFF

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

Preview Lab → · Contrast checker → · Palette generator →