#63EFEB#63EFEB

#63EFEB is a very light, vivid teal. Relative luminance 0.704; OKLCH L 87.5% C 0.121 H 192.6°. Best body text is #000000 at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#63EFEB
RGB	rgb(99, 239, 235)
HSL	hsl(178, 81%, 66%)
HSV	hsv(178, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 1.7%, 6.3%)
CIE-LAB	lab(87.18, -38.45, -9.43)
CIE-LCH	lch(87.18, 39.59, 193.78°)
OKLab	oklab(87.52% -0.1177 -0.0262)
OKLCH	oklch(87.52% 0.121 192.6)
XYZ	xyz(51.0009, 70.3785, 89.4778)
Luminance	0.7038 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EFEB #EF6367

analogous

#63EFA5 #63EFEB #63ADEF

triadic

#63EFEB #EB63EF #EFEB63

tetradic

#63EFEB #A563EF #EF6367 #ADEF63

square

#63EFEB #A563EF #EF6367 #ADEF63

split-complementary

#63EFEB #EF63AD #EFA563

monochromatic

#14C4BF #2BE9E4 #63EFEB #9BF5F2 #D2FAF9

Accessibility & contrast

On white

1.39

#63EFEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.08

#63EFEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EFEB

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EFEB	#FFFFFF	#000000	##000000
##63EFEB	1.00	1.39	15.08	15.08
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.08	21.00	1.00	1.00
##000000	15.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2E4EB

Deuteranopia (green-blind)

#CBD3EC

Tritanopia (blue-blind)

#00F5ED

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #63efeb;
/* rgb */ color: rgb(99, 239, 235);
/* oklch */ color: oklch(87.5% 0.121 192.6);

Tailwind

colors: {
  custom: {
    50: '#9df4f1',
    500: '#63efeb',
    950: '#000000',
  },
}

SCSS

$custom: #63efeb;
$custom-light: #9df4f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63efeb",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 235
  },
  "hsl": {
    "h": 178.286,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.87516,
    "c": 0.12061,
    "h": 192.6
  },
  "luminance": 0.70384
}

Semantic roles & 50–950 ramp

primary

#63EFEB

secondary

#C13539

accent

#080EDE

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101716

muted

#808585

Preview Lab

Preview with #63EFEB

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

Preview Lab → · Contrast checker → · Palette generator →