#63D591#63D591

#63D591 is a light, vivid green. Relative luminance 0.523; OKLCH L 78.9% C 0.143 H 155.0°. Best body text is #000000 at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#63D591
RGB	rgb(99, 213, 145)
HSL	hsl(144, 58%, 61%)
HSV	hsv(144, 54%, 84%)
CMYK	cmyk(53.5%, 0%, 31.9%, 16.5%)
CIE-LAB	lab(77.45, -47.70, 24.01)
CIE-LCH	lch(77.45, 53.40, 153.28°)
OKLab	oklab(78.9% -0.1299 0.0606)
OKLCH	oklch(78.9% 0.143 155)
XYZ	xyz(34.0480, 52.2825, 35.0799)
Luminance	0.5229 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D591 #D563A7

analogous

#6ED563 #63D591 #63D5CA

triadic

#63D591 #9163D5 #D59163

tetradic

#63D591 #636ED5 #D563A7 #D5CA63

square

#63D591 #636ED5 #D563A7 #D5CA63

split-complementary

#63D591 #CA63D5 #D5636E

monochromatic

#289554 #35C66F #63D591 #93E2B3 #C3EFD5

Accessibility & contrast

On white

1.83

#63D591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.46

#63D591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D591

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D591	#FFFFFF	#000000	##000000
##63D591	1.00	1.83	11.46	11.46
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.46	21.00	1.00	1.00
##000000	11.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C68D

Deuteranopia (green-blind)

#C4BB95

Tritanopia (blue-blind)

#42D3C3

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #63d591;
/* rgb */ color: rgb(99, 213, 145);
/* oklch */ color: oklch(78.9% 0.143 155.0);

Tailwind

colors: {
  custom: {
    50: '#97e3b1',
    500: '#63d591',
    950: '#000000',
  },
}

SCSS

$custom: #63d591;
$custom-light: #97e3b1;
$custom-dark: #000000;

JSON

{
  "hex": "#63d591",
  "rgb": {
    "r": 99,
    "g": 213,
    "b": 145
  },
  "hsl": {
    "h": 144.211,
    "s": 57.576,
    "l": 61.176
  },
  "oklch": {
    "l": 0.789,
    "c": 0.14338,
    "h": 155
  },
  "luminance": 0.52285
}

Semantic roles & 50–950 ramp

primary

#63D591

secondary

#9A4277

accent

#2083C5

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1510

muted

#7F8481

Preview Lab

Preview with #63D591

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

Preview Lab → · Contrast checker → · Palette generator →