#63BFB5#63BFB5

#63BFB5 is a light, moderate teal. Relative luminance 0.432; OKLCH L 74.5% C 0.090 H 186.2°. Best body text is #000000 at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#63BFB5
RGB	rgb(99, 191, 181)
HSL	hsl(173, 42%, 57%)
HSV	hsv(173, 48%, 75%)
CMYK	cmyk(48.2%, 0%, 5.2%, 25.1%)
CIE-LAB	lab(71.72, -29.87, -3.43)
CIE-LCH	lch(71.72, 30.07, 186.54°)
OKLab	oklab(74.52% -0.089 -0.0097)
OKLCH	oklch(74.52% 0.09 186.2)
XYZ	xyz(32.1135, 43.2477, 50.3624)
Luminance	0.4325 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFB5 #BF636D

analogous

#63BF87 #63BFB5 #639BBF

triadic

#63BFB5 #B563BF #BFB563

tetradic

#63BFB5 #8763BF #BF636D #9BBF63

square

#63BFB5 #8763BF #BF636D #9BBF63

split-complementary

#63BFB5 #BF639B #BF8763

monochromatic

#31776F #43A298 #63BFB5 #8ED1CA #BAE3DE

Accessibility & contrast

On white

2.18

#63BFB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.65

#63BFB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFB5

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFB5	#FFFFFF	#000000	##000000
##63BFB5	1.00	2.18	9.65	9.65
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.65	21.00	1.00	1.00
##000000	9.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7B6B5

Deuteranopia (green-blind)

#A7ABB6

Tritanopia (blue-blind)

#34C3BC

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63bfb5;
/* rgb */ color: rgb(99, 191, 181);
/* oklch */ color: oklch(74.5% 0.090 186.2);

Tailwind

colors: {
  custom: {
    50: '#96d2cb',
    500: '#63bfb5',
    950: '#000000',
  },
}

SCSS

$custom: #63bfb5;
$custom-light: #96d2cb;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfb5",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 181
  },
  "hsl": {
    "h": 173.478,
    "s": 41.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.74519,
    "c": 0.08951,
    "h": 186.2
  },
  "luminance": 0.4325
}

Semantic roles & 50–950 ramp

primary

#63BFB5

secondary

#D2ACB0

accent

#5664D2

background

#F9FCFC

surface

#F2F9F8

border

#CCD2D1

text

#0E1413

muted

#7E8282

Preview Lab

Preview with #63BFB5

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

Preview Lab → · Contrast checker → · Palette generator →