#63DFFB#63DFFB

#63DFFB is a very light, moderate cyan. Relative luminance 0.624; OKLCH L 84.4% C 0.116 H 215.0°. Best body text is #000000 at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#63DFFB
RGB	rgb(99, 223, 251)
HSL	hsl(191, 95%, 69%)
HSV	hsv(191, 61%, 98%)
CMYK	cmyk(60.6%, 11.2%, 0%, 1.6%)
CIE-LAB	lab(83.12, -26.49, -23.97)
CIE-LCH	lch(83.12, 35.72, 222.14°)
OKLab	oklab(84.4% -0.095 -0.0666)
OKLCH	oklch(84.4% 0.116 215)
XYZ	xyz(48.9388, 62.3880, 100.7111)
Luminance	0.6239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DFFB #FB7F63

analogous

#63FBCB #63DFFB #6393FB

triadic

#63DFFB #FB63DF #DFFB63

tetradic

#63DFFB #CB63FB #FB7F63 #93FB63

square

#63DFFB #CB63FB #FB7F63 #93FB63

split-complementary

#63DFFB #FB6393 #FBCB63

monochromatic

#06B6DE #27D3F9 #63DFFB #9FEBFD #DAF7FE

Accessibility & contrast

On white

1.56

#63DFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.48

#63DFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DFFB

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DFFB	#FFFFFF	#000000	##000000
##63DFFB	1.00	1.56	13.48	13.48
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.48	21.00	1.00	1.00
##000000	13.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD8FD

Deuteranopia (green-blind)

#B5C8FB

Tritanopia (blue-blind)

#00EAE8

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #63dffb;
/* rgb */ color: rgb(99, 223, 251);
/* oklch */ color: oklch(84.4% 0.116 215.0);

Tailwind

colors: {
  custom: {
    50: '#9de9fc',
    500: '#63dffb',
    950: '#000000',
  },
}

SCSS

$custom: #63dffb;
$custom-light: #9de9fc;
$custom-dark: #000000;

JSON

{
  "hex": "#63dffb",
  "rgb": {
    "r": 99,
    "g": 223,
    "b": 251
  },
  "hsl": {
    "h": 191.053,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.84404,
    "c": 0.11601,
    "h": 215
  },
  "luminance": 0.62393
}

Semantic roles & 50–950 ramp

primary

#63DFFB

secondary

#D54C2D

accent

#2A00E6

background

#FCFEFF

surface

#F6FDFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #63DFFB

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

Preview Lab → · Contrast checker → · Palette generator →