#63EFE9#63EFE9

#63EFE9 is a very light, vivid teal. Relative luminance 0.703; OKLCH L 87.5% C 0.121 H 191.2°. Best body text is #000000 at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#63EFE9
RGB	rgb(99, 239, 233)
HSL	hsl(177, 81%, 66%)
HSV	hsv(177, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 2.5%, 6.3%)
CIE-LAB	lab(87.13, -38.97, -8.47)
CIE-LCH	lch(87.13, 39.88, 192.26°)
OKLab	oklab(87.45% -0.1186 -0.0236)
OKLCH	oklch(87.45% 0.121 191.2)
XYZ	xyz(50.7136, 70.2636, 87.9646)
Luminance	0.7027 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EFE9 #EF6369

analogous

#63EFA3 #63EFE9 #63AFEF

triadic

#63EFE9 #E963EF #EFE963

tetradic

#63EFE9 #A363EF #EF6369 #AFEF63

square

#63EFE9 #A363EF #EF6369 #AFEF63

split-complementary

#63EFE9 #EF63AF #EFA363

monochromatic

#14C4BC #2BE9E1 #63EFE9 #9BF5F1 #D2FAF9

Accessibility & contrast

On white

1.39

#63EFE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.05

#63EFE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EFE9

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EFE9	#FFFFFF	#000000	##000000
##63EFE9	1.00	1.39	15.05	15.05
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.05	21.00	1.00	1.00
##000000	15.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2E4E9

Deuteranopia (green-blind)

#CCD3EA

Tritanopia (blue-blind)

#00F5ED

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #63efe9;
/* rgb */ color: rgb(99, 239, 233);
/* oklch */ color: oklch(87.5% 0.121 191.2);

Tailwind

colors: {
  custom: {
    50: '#9df5f0',
    500: '#63efe9',
    950: '#000000',
  },
}

SCSS

$custom: #63efe9;
$custom-light: #9df5f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63efe9",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 233
  },
  "hsl": {
    "h": 177.429,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.87452,
    "c": 0.12089,
    "h": 191.2
  },
  "luminance": 0.70269
}

Semantic roles & 50–950 ramp

primary

#63EFE9

secondary

#C1353B

accent

#0811DE

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101716

muted

#808585

Preview Lab

Preview with #63EFE9

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

Preview Lab → · Contrast checker → · Palette generator →