#81E4FF#81E4FF

#81E4FF is a very light, moderate cyan. Relative luminance 0.674; OKLCH L 86.8% C 0.100 H 217.5°. Best body text is #000000 at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#81E4FF
RGB	rgb(129, 228, 255)
HSL	hsl(193, 100%, 75%)
HSV	hsv(193, 49%, 100%)
CMYK	cmyk(49.4%, 10.6%, 0%, 0%)
CIE-LAB	lab(85.69, -22.07, -22.08)
CIE-LCH	lch(85.69, 31.22, 225.01°)
OKLab	oklab(86.8% -0.0794 -0.061)
OKLCH	oklch(86.8% 0.1 217.5)
XYZ	xyz(54.8398, 67.3693, 104.7020)
Luminance	0.6737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81E4FF #FF9C81

analogous

#81FFDB #81E4FF #81A5FF

triadic

#81E4FF #FF81E4 #E4FF81

tetradic

#81E4FF #DB81FF #FF9C81 #A5FF81

square

#81E4FF #DB81FF #FF9C81 #A5FF81

split-complementary

#81E4FF #FF81A5 #FFDB81

monochromatic

#07CAFF #44D7FF #81E4FF #BEF1FF #E0F8FF

Accessibility & contrast

On white

1.45

#81E4FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.47

#81E4FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E4FF

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81E4FF	#FFFFFF	#000000	##000000
##81E4FF	1.00	1.45	14.47	14.47
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.47	21.00	1.00	1.00
##000000	14.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2DFFF

Deuteranopia (green-blind)

#BFD0FF

Tritanopia (blue-blind)

#36EEEC

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #81e4ff;
/* rgb */ color: rgb(129, 228, 255);
/* oklch */ color: oklch(86.8% 0.100 217.5);

Tailwind

colors: {
  custom: {
    50: '#adecff',
    500: '#81e4ff',
    950: '#000000',
  },
}

SCSS

$custom: #81e4ff;
$custom-light: #adecff;
$custom-dark: #000000;

JSON

{
  "hex": "#81e4ff",
  "rgb": {
    "r": 129,
    "g": 228,
    "b": 255
  },
  "hsl": {
    "h": 192.857,
    "s": 100,
    "l": 75.294
  },
  "oklch": {
    "l": 0.86795,
    "c": 0.10018,
    "h": 217.5
  },
  "luminance": 0.67374
}

Semantic roles & 50–950 ramp

primary

#81E4FF

secondary

#DE6746

accent

#3100E6

background

#FDFEFF

surface

#F8FDFF

border

#D1D5D7

text

#111618

muted

#818486

Preview Lab

Preview with #81E4FF

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

Preview Lab → · Contrast checker → · Palette generator →