#63EFF9#63EFF9

#63EFF9 is a very light, vivid teal. Relative luminance 0.712; OKLCH L 88.0% C 0.121 H 201.8°. Best body text is #000000 at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#63EFF9
RGB	rgb(99, 239, 249)
HSL	hsl(184, 93%, 68%)
HSV	hsv(184, 60%, 98%)
CMYK	cmyk(60.2%, 4%, 0%, 2.4%)
CIE-LAB	lab(87.59, -34.70, -16.16)
CIE-LCH	lch(87.59, 38.28, 204.97°)
OKLab	oklab(87.98% -0.112 -0.0447)
OKLCH	oklch(87.98% 0.121 201.8)
XYZ	xyz(53.1037, 71.2196, 100.5523)
Luminance	0.7123 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EFF9 #F96D63

analogous

#63F9B8 #63EFF9 #63A4F9

triadic

#63EFF9 #F963EF #EFF963

tetradic

#63EFF9 #B863F9 #F96D63 #A4F963

square

#63EFF9 #B863F9 #F96D63 #A4F963

split-complementary

#63EFF9 #F963A4 #F9B863

monochromatic

#08CBD9 #28E9F7 #63EFF9 #9EF5FB #D9FBFE

Accessibility & contrast

On white

1.38

#63EFF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.25

#63EFF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EFF9

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EFF9	#FFFFFF	#000000	##000000
##63EFF9	1.00	1.38	15.25	15.25
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.25	21.00	1.00	1.00
##000000	15.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEE5FA

Deuteranopia (green-blind)

#C7D4FA

Tritanopia (blue-blind)

#00F7F2

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #63eff9;
/* rgb */ color: rgb(99, 239, 249);
/* oklch */ color: oklch(88.0% 0.121 201.8);

Tailwind

colors: {
  custom: {
    50: '#9ef4fb',
    500: '#63eff9',
    950: '#000000',
  },
}

SCSS

$custom: #63eff9;
$custom-light: #9ef4fb;
$custom-dark: #000000;

JSON

{
  "hex": "#63eff9",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 249
  },
  "hsl": {
    "h": 184,
    "s": 92.593,
    "l": 68.235
  },
  "oklch": {
    "l": 0.87982,
    "c": 0.12061,
    "h": 201.8
  },
  "luminance": 0.71225
}

Semantic roles & 50–950 ramp

primary

#63EFF9

secondary

#D2392E

accent

#0F00E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101717

muted

#818585

Preview Lab

Preview with #63EFF9

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

Preview Lab → · Contrast checker → · Palette generator →