#63EFFB#63EFFB

#63EFFB is a very light, vivid teal. Relative luminance 0.714; OKLCH L 88.1% C 0.121 H 203.1°. Best body text is #000000 at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#63EFFB
RGB	rgb(99, 239, 251)
HSL	hsl(185, 95%, 69%)
HSV	hsv(185, 61%, 98%)
CMYK	cmyk(60.6%, 4.8%, 0%, 1.6%)
CIE-LAB	lab(87.65, -34.16, -17.11)
CIE-LCH	lch(87.65, 38.20, 206.61°)
OKLab	oklab(88.05% -0.1112 -0.0474)
OKLCH	oklch(88.05% 0.121 203.1)
XYZ	xyz(53.4173, 71.3451, 102.2039)
Luminance	0.7135 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EFFB #FB6F63

analogous

#63FBBB #63EFFB #63A3FB

triadic

#63EFFB #FB63EF #EFFB63

tetradic

#63EFFB #BB63FB #FB6F63 #A3FB63

square

#63EFFB #BB63FB #FB6F63 #A3FB63

split-complementary

#63EFFB #FB63A3 #FBBB63

monochromatic

#06CDDE #27E9F9 #63EFFB #9FF5FD #DAFBFE

Accessibility & contrast

On white

1.38

#63EFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.27

#63EFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EFFB

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EFFB	#FFFFFF	#000000	##000000
##63EFFB	1.00	1.38	15.27	15.27
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.27	21.00	1.00	1.00
##000000	15.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEE6FC

Deuteranopia (green-blind)

#C7D4FC

Tritanopia (blue-blind)

#00F8F2

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #63effb;
/* rgb */ color: rgb(99, 239, 251);
/* oklch */ color: oklch(88.1% 0.121 203.1);

Tailwind

colors: {
  custom: {
    50: '#9ff4fc',
    500: '#63effb',
    950: '#000000',
  },
}

SCSS

$custom: #63effb;
$custom-light: #9ff4fc;
$custom-dark: #000000;

JSON

{
  "hex": "#63effb",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 251
  },
  "hsl": {
    "h": 184.737,
    "s": 95,
    "l": 68.627
  },
  "oklch": {
    "l": 0.88052,
    "c": 0.12088,
    "h": 203.1
  },
  "luminance": 0.71351
}

Semantic roles & 50–950 ramp

primary

#63EFFB

secondary

#D53B2D

accent

#1200E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #63EFFB

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

Preview Lab → · Contrast checker → · Palette generator →