#63F3EF#63F3EF

#63F3EF is a very light, vivid teal. Relative luminance 0.730; OKLCH L 88.6% C 0.123 H 192.6°. Best body text is #000000 at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#63F3EF
RGB	rgb(99, 243, 239)
HSL	hsl(178, 86%, 67%)
HSV	hsv(178, 59%, 95%)
CMYK	cmyk(59.3%, 0%, 1.6%, 4.7%)
CIE-LAB	lab(88.44, -39.22, -9.66)
CIE-LCH	lch(88.44, 40.39, 193.84°)
OKLab	oklab(88.57% -0.1201 -0.0268)
OKLCH	oklch(88.57% 0.123 192.6)
XYZ	xyz(52.7693, 72.9803, 92.9502)
Luminance	0.7299 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63F3EF #F36367

analogous

#63F3A7 #63F3EF #63AFF3

triadic

#63F3EF #EF63F3 #F3EF63

tetradic

#63F3EF #A763F3 #F36367 #AFF363

square

#63F3EF #A763F3 #F36367 #AFF363

split-complementary

#63F3EF #F363AF #F3A763

monochromatic

#10CCC7 #2AEFE9 #63F3EF #9CF7F5 #D5FCFB

Accessibility & contrast

On white

1.35

#63F3EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.60

#63F3EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63F3EF

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63F3EF	#FFFFFF	#000000	##000000
##63F3EF	1.00	1.35	15.60	15.60
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.60	21.00	1.00	1.00
##000000	15.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5E8EF

Deuteranopia (green-blind)

#CED7F0

Tritanopia (blue-blind)

#00FAF1

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #63f3ef;
/* rgb */ color: rgb(99, 243, 239);
/* oklch */ color: oklch(88.6% 0.123 192.6);

Tailwind

colors: {
  custom: {
    50: '#9ef7f4',
    500: '#63f3ef',
    950: '#000000',
  },
}

SCSS

$custom: #63f3ef;
$custom-light: #9ef7f4;
$custom-dark: #000000;

JSON

{
  "hex": "#63f3ef",
  "rgb": {
    "r": 99,
    "g": 243,
    "b": 239
  },
  "hsl": {
    "h": 178.333,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.8857,
    "c": 0.12309,
    "h": 192.6
  },
  "luminance": 0.72986
}

Semantic roles & 50–950 ramp

primary

#63F3EF

secondary

#C83236

accent

#0309E2

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101717

muted

#818585

Preview Lab

Preview with #63F3EF

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

Preview Lab → · Contrast checker → · Palette generator →