#63B583#63B583

#63B583 is a light, moderate green. Relative luminance 0.373; OKLCH L 70.7% C 0.110 H 155.5°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#63B583
RGB	rgb(99, 181, 131)
HSL	hsl(143, 36%, 55%)
HSV	hsv(143, 45%, 71%)
CMYK	cmyk(45.3%, 0%, 27.6%, 29%)
CIE-LAB	lab(67.53, -36.45, 17.87)
CIE-LCH	lch(67.53, 40.60, 153.88°)
OKLab	oklab(70.73% -0.0999 0.0455)
OKLCH	oklch(70.73% 0.11 155.5)
XYZ	xyz(25.7644, 37.3372, 27.3175)
Luminance	0.3734 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B583 #B56395

analogous

#6CB563 #63B583 #63B5AC

triadic

#63B583 #8363B5 #B58363

tetradic

#63B583 #636CB5 #B56395 #B5AC63

square

#63B583 #636CB5 #B56395 #B5AC63

split-complementary

#63B583 #AC63B5 #B5636C

monochromatic

#336B49 #469465 #63B583 #8DC9A4 #B6DCC5

Accessibility & contrast

On white

2.48

#63B583 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#63B583 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B583

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B583	#FFFFFF	#000000	##000000
##63B583	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4AA80

Deuteranopia (green-blind)

#A8A186

Tritanopia (blue-blind)

#50B4A8

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63b583;
/* rgb */ color: rgb(99, 181, 131);
/* oklch */ color: oklch(70.7% 0.110 155.5);

Tailwind

colors: {
  custom: {
    50: '#94cba7',
    500: '#63b583',
    950: '#000000',
  },
}

SCSS

$custom: #63b583;
$custom-light: #94cba7;
$custom-dark: #000000;

JSON

{
  "hex": "#63b583",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 131
  },
  "hsl": {
    "h": 143.415,
    "s": 35.652,
    "l": 54.902
  },
  "oklch": {
    "l": 0.70725,
    "c": 0.10976,
    "h": 155.5
  },
  "luminance": 0.37339
}

Semantic roles & 50–950 ramp

primary

#63B583

secondary

#CBA9BE

accent

#5CA0CC

background

#F9FCFA

surface

#F2F8F4

border

#CCD1CE

text

#0D130F

muted

#7E827F

Preview Lab

Preview with #63B583

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

Preview Lab → · Contrast checker → · Palette generator →