#63EFF4#63EFF4

#63EFF4 is a very light, vivid teal. Relative luminance 0.709; OKLCH L 87.8% C 0.120 H 198.5°. Best body text is #000000 at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#63EFF4
RGB	rgb(99, 239, 244)
HSL	hsl(182, 87%, 67%)
HSV	hsv(182, 59%, 96%)
CMYK	cmyk(59.4%, 2%, 0%, 4.3%)
CIE-LAB	lab(87.44, -36.06, -13.76)
CIE-LCH	lch(87.44, 38.60, 200.89°)
OKLab	oklab(87.81% -0.114 -0.0381)
OKLCH	oklch(87.81% 0.12 198.5)
XYZ	xyz(52.3342, 70.9118, 96.4997)
Luminance	0.7092 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EFF4 #F46863

analogous

#63F4B1 #63EFF4 #63A7F4

triadic

#63EFF4 #F463EF #EFF463

tetradic

#63EFF4 #B163F4 #F46863 #A7F463

square

#63EFF4 #B163F4 #F46863 #A7F463

split-complementary

#63EFF4 #F463A7 #F4B163

monochromatic

#0FC7CE #2AE9F0 #63EFF4 #9CF5F8 #D5FBFC

Accessibility & contrast

On white

1.38

#63EFF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.18

#63EFF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EFF4

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EFF4	#FFFFFF	#000000	##000000
##63EFF4	1.00	1.38	15.18	15.18
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.18	21.00	1.00	1.00
##000000	15.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0E5F5

Deuteranopia (green-blind)

#C9D4F5

Tritanopia (blue-blind)

#00F7F0

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #63eff4;
/* rgb */ color: rgb(99, 239, 244);
/* oklch */ color: oklch(87.8% 0.120 198.5);

Tailwind

colors: {
  custom: {
    50: '#9ef4f7',
    500: '#63eff4',
    950: '#000000',
  },
}

SCSS

$custom: #63eff4;
$custom-light: #9ef4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63eff4",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 244
  },
  "hsl": {
    "h": 182.069,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.87812,
    "c": 0.12022,
    "h": 198.5
  },
  "luminance": 0.70917
}

Semantic roles & 50–950 ramp

primary

#63EFF4

secondary

#CA3731

accent

#0A02E3

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #63EFF4

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

Preview Lab → · Contrast checker → · Palette generator →