#ADDEE9#ADDEE9

#ADDEE9 is a very light, muted cyan. Relative luminance 0.670; OKLCH L 87.0% C 0.053 H 212.9°. Best body text is #000000 at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#ADDEE9
RGB	rgb(173, 222, 233)
HSL	hsl(191, 58%, 80%)
HSV	hsv(191, 26%, 91%)
CMYK	cmyk(25.8%, 4.7%, 0%, 8.6%)
CIE-LAB	lab(85.51, -13.29, -10.54)
CIE-LCH	lch(85.51, 16.96, 218.41°)
OKLab	oklab(87% -0.0443 -0.0287)
OKLCH	oklch(87% 0.053 212.9)
XYZ	xyz(58.0584, 67.0075, 86.9496)
Luminance	0.6701 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADDEE9 #E9B8AD

analogous

#ADE9D6 #ADDEE9 #ADC0E9

triadic

#ADDEE9 #E9ADDE #DEE9AD

tetradic

#ADDEE9 #D6ADE9 #E9B8AD #C0E9AD

square

#ADDEE9 #D6ADE9 #E9B8AD #C0E9AD

split-complementary

#ADDEE9 #E9ADC0 #E9D6AD

monochromatic

#4CB7CF #7DCBDC #ADDEE9 #DDF1F6 #E7F5F9

Accessibility & contrast

On white

1.46

#ADDEE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.40

#ADDEE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADDEE9

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADDEE9	#FFFFFF	#000000	##000000
##ADDEE9	1.00	1.46	14.40	14.40
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.40	21.00	1.00	1.00
##000000	14.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5DAEA

Deuteranopia (green-blind)

#CBD2E9

Tritanopia (blue-blind)

#9AE3E1

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #addee9;
/* rgb */ color: rgb(173, 222, 233);
/* oklch */ color: oklch(87.0% 0.053 212.9);

Tailwind

colors: {
  custom: {
    50: '#c6e8f0',
    500: '#addee9',
    950: '#000000',
  },
}

SCSS

$custom: #addee9;
$custom-light: #c6e8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#addee9",
  "rgb": {
    "r": 173,
    "g": 222,
    "b": 233
  },
  "hsl": {
    "h": 191,
    "s": 57.692,
    "l": 79.608
  },
  "oklch": {
    "l": 0.86996,
    "c": 0.05277,
    "h": 212.9
  },
  "luminance": 0.6701
}

Semantic roles & 50–950 ramp

primary

#ADDEE9

secondary

#C58476

accent

#3E20C5

background

#FDFEFF

surface

#F9FCFE

border

#D2D5D6

text

#131616

muted

#828485

Preview Lab

Preview with #ADDEE9

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

Preview Lab → · Contrast checker → · Palette generator →