#63EFFF#63EFFF

#63EFFF is a very light, vivid teal. Relative luminance 0.716; OKLCH L 88.2% C 0.122 H 205.7°. Best body text is #000000 at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#63EFFF
RGB	rgb(99, 239, 255)
HSL	hsl(186, 100%, 69%)
HSV	hsv(186, 61%, 100%)
CMYK	cmyk(61.2%, 6.3%, 0%, 0%)
CIE-LAB	lab(87.78, -33.05, -19.02)
CIE-LCH	lch(87.78, 38.14, 209.92°)
OKLab	oklab(88.19% -0.1096 -0.0527)
OKLCH	oklch(88.19% 0.122 205.7)
XYZ	xyz(54.0545, 71.5999, 105.5598)
Luminance	0.7161 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EFFF #FF7363

analogous

#63FFC1 #63EFFF #63A1FF

triadic

#63EFFF #FF63EF #EFFF63

tetradic

#63EFFF #C163FF #FF7363 #A1FF63

square

#63EFFF #C163FF #FF7363 #A1FF63

split-complementary

#63EFFF #FF63A1 #FFC163

monochromatic

#00D0E8 #26E9FF #63EFFF #A0F5FF #DDFCFF

Accessibility & contrast

On white

1.37

#63EFFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.32

#63EFFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EFFF

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EFFF	#FFFFFF	#000000	##000000
##63EFFF	1.00	1.37	15.32	15.32
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.32	21.00	1.00	1.00
##000000	15.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDE6FF

Deuteranopia (green-blind)

#C5D5FF

Tritanopia (blue-blind)

#00F8F4

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #63efff;
/* rgb */ color: rgb(99, 239, 255);
/* oklch */ color: oklch(88.2% 0.122 205.7);

Tailwind

colors: {
  custom: {
    50: '#9ff4ff',
    500: '#63efff',
    950: '#000000',
  },
}

SCSS

$custom: #63efff;
$custom-light: #9ff4ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63efff",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 255
  },
  "hsl": {
    "h": 186.154,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.88192,
    "c": 0.12162,
    "h": 205.7
  },
  "luminance": 0.71606
}

Semantic roles & 50–950 ramp

primary

#63EFFF

secondary

#DA3E2C

accent

#1800E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101718

muted

#818586

Preview Lab

Preview with #63EFFF

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

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