#63EFF3#63EFF3

#63EFF3 is a very light, vivid teal. Relative luminance 0.709; OKLCH L 87.8% C 0.120 H 197.8°. Best body text is #000000 at 15.17:1 contrast (WCAG AA passes).

Color values

HEX	#63EFF3
RGB	rgb(99, 239, 243)
HSL	hsl(182, 86%, 67%)
HSV	hsv(182, 59%, 95%)
CMYK	cmyk(59.3%, 1.6%, 0%, 4.7%)
CIE-LAB	lab(87.41, -36.33, -13.28)
CIE-LCH	lch(87.41, 38.68, 200.08°)
OKLab	oklab(87.78% -0.1144 -0.0368)
OKLCH	oklch(87.78% 0.12 197.8)
XYZ	xyz(52.1828, 70.8513, 95.7022)
Luminance	0.7086 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EFF3 #F36763

analogous

#63F3AF #63EFF3 #63A7F3

triadic

#63EFF3 #F363EF #EFF363

tetradic

#63EFF3 #AF63F3 #F36763 #A7F363

square

#63EFF3 #AF63F3 #F36763 #A7F363

split-complementary

#63EFF3 #F363A7 #F3AF63

monochromatic

#10C7CC #2AE9EF #63EFF3 #9CF5F7 #D5FBFC

Accessibility & contrast

On white

1.38

#63EFF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.17

#63EFF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EFF3

15.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EFF3	#FFFFFF	#000000	##000000
##63EFF3	1.00	1.38	15.17	15.17
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.17	21.00	1.00	1.00
##000000	15.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0E5F4

Deuteranopia (green-blind)

#C9D4F4

Tritanopia (blue-blind)

#00F7F0

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #63eff3;
/* rgb */ color: rgb(99, 239, 243);
/* oklch */ color: oklch(87.8% 0.120 197.8);

Tailwind

colors: {
  custom: {
    50: '#9ef4f7',
    500: '#63eff3',
    950: '#000000',
  },
}

SCSS

$custom: #63eff3;
$custom-light: #9ef4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#63eff3",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 243
  },
  "hsl": {
    "h": 181.667,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.87779,
    "c": 0.1202,
    "h": 197.8
  },
  "luminance": 0.70857
}

Semantic roles & 50–950 ramp

primary

#63EFF3

secondary

#C83632

accent

#0903E2

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #63EFF3

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

Preview Lab → · Contrast checker → · Palette generator →