#99ECFF#99ECFF

#99ECFF is a very light, moderate cyan. Relative luminance 0.740; OKLCH L 89.6% C 0.085 H 213.8°. Best body text is #000000 at 15.80:1 contrast (WCAG AA passes).

Color values

HEX	#99ECFF
RGB	rgb(153, 236, 255)
HSL	hsl(191, 100%, 80%)
HSV	hsv(191, 40%, 100%)
CMYK	cmyk(40%, 7.5%, 0%, 0%)
CIE-LAB	lab(88.91, -20.51, -17.11)
CIE-LCH	lch(88.91, 26.71, 219.84°)
OKLab	oklab(89.65% -0.0703 -0.047)
OKLCH	oklch(89.65% 0.085 213.8)
XYZ	xyz(61.1759, 73.9790, 105.6441)
Luminance	0.7398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99ECFF #FFAC99

analogous

#99FFDF #99ECFF #99B9FF

triadic

#99ECFF #FF99EC #ECFF99

tetradic

#99ECFF #DF99FF #FFAC99 #B9FF99

square

#99ECFF #DF99FF #FFAC99 #B9FF99

split-complementary

#99ECFF #FF99B9 #FFDF99

monochromatic

#1FD5FF #5CE1FF #99ECFF #D6F7FF #E0F9FF

Accessibility & contrast

On white

1.33

#99ECFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.80

#99ECFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99ECFF

15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99ECFF	#FFFFFF	#000000	##000000
##99ECFF	1.00	1.33	15.80	15.80
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.80	21.00	1.00	1.00
##000000	15.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDE7FF

Deuteranopia (green-blind)

#CDDAFF

Tritanopia (blue-blind)

#6EF4F2

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #99ecff;
/* rgb */ color: rgb(153, 236, 255);
/* oklch */ color: oklch(89.6% 0.085 213.8);

Tailwind

colors: {
  custom: {
    50: '#bbf2ff',
    500: '#99ecff',
    950: '#000000',
  },
}

SCSS

$custom: #99ecff;
$custom-light: #bbf2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#99ecff",
  "rgb": {
    "r": 153,
    "g": 236,
    "b": 255
  },
  "hsl": {
    "h": 191.176,
    "s": 100,
    "l": 80
  },
  "oklch": {
    "l": 0.89647,
    "c": 0.08458,
    "h": 213.8
  },
  "luminance": 0.73983
}

Semantic roles & 50–950 ramp

primary

#99ECFF

secondary

#E2745A

accent

#2B00E6

background

#FDFFFF

surface

#F9FEFF

border

#D2D6D7

text

#121718

muted

#828586

Preview Lab

Preview with #99ECFF

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

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