#90DDFF#90DDFF

#90DDFF is a very light, moderate cyan. Relative luminance 0.649; OKLCH L 86.0% C 0.089 H 227.8°. Best body text is #000000 at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#90DDFF
RGB	rgb(144, 221, 255)
HSL	hsl(198, 100%, 78%)
HSV	hsv(198, 44%, 100%)
CMYK	cmyk(43.5%, 13.3%, 0%, 0%)
CIE-LAB	lab(84.41, -15.14, -23.96)
CIE-LCH	lch(84.41, 28.34, 237.72°)
OKLab	oklab(85.95% -0.0601 -0.0662)
OKLCH	oklch(85.95% 0.089 227.8)
XYZ	xyz(55.4016, 64.8583, 104.1879)
Luminance	0.6486 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90DDFF #FFB290

analogous

#90FFE9 #90DDFF #90A5FF

triadic

#90DDFF #FF90DD #DDFF90

tetradic

#90DDFF #E990FF #FFB290 #A5FF90

square

#90DDFF #E990FF #FFB290 #A5FF90

split-complementary

#90DDFF #FF90A5 #FFE990

monochromatic

#16B8FF #53CAFF #90DDFF #CDF0FF #E0F6FF

Accessibility & contrast

On white

1.50

#90DDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.97

#90DDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90DDFF

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90DDFF	#FFFFFF	#000000	##000000
##90DDFF	1.00	1.50	13.97	13.97
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.97	21.00	1.00	1.00
##000000	13.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBDAFF

Deuteranopia (green-blind)

#BBCDFF

Tritanopia (blue-blind)

#60E7E8

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #90ddff;
/* rgb */ color: rgb(144, 221, 255);
/* oklch */ color: oklch(86.0% 0.089 227.8);

Tailwind

colors: {
  custom: {
    50: '#b5e7ff',
    500: '#90ddff',
    950: '#000000',
  },
}

SCSS

$custom: #90ddff;
$custom-light: #b5e7ff;
$custom-dark: #000000;

JSON

{
  "hex": "#90ddff",
  "rgb": {
    "r": 144,
    "g": 221,
    "b": 255
  },
  "hsl": {
    "h": 198.378,
    "s": 100,
    "l": 78.235
  },
  "oklch": {
    "l": 0.85951,
    "c": 0.08939,
    "h": 227.8
  },
  "luminance": 0.64862
}

Semantic roles & 50–950 ramp

primary

#90DDFF

secondary

#E17E53

accent

#4600E6

background

#FDFEFF

surface

#F8FCFF

border

#D1D5D7

text

#121618

muted

#828486

Preview Lab

Preview with #90DDFF

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

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