#63DD8B#63DD8B

#63DD8B is a light, vivid green. Relative luminance 0.562; OKLCH L 80.7% C 0.160 H 151.9°. Best body text is #000000 at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#63DD8B
RGB	rgb(99, 221, 139)
HSL	hsl(140, 64%, 63%)
HSV	hsv(140, 55%, 87%)
CMYK	cmyk(55.2%, 0%, 37.1%, 13.3%)
CIE-LAB	lab(79.74, -52.06, 30.20)
CIE-LCH	lch(79.74, 60.19, 149.89°)
OKLab	oklab(80.74% -0.1412 0.0754)
OKLCH	oklch(80.74% 0.16 151.9)
XYZ	xyz(35.6596, 56.2264, 33.3947)
Luminance	0.5623 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63DD8B #DD63B5

analogous

#78DD63 #63DD8B #63DDC8

triadic

#63DD8B #8B63DD #DD8B63

tetradic

#63DD8B #6378DD #DD63B5 #DDC863

square

#63DD8B #6378DD #DD63B5 #DDC863

split-complementary

#63DD8B #C863DD #DD6378

monochromatic

#23A24D #31D266 #63DD8B #95E8B0 #C7F3D6

Accessibility & contrast

On white

1.71

#63DD8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.25

#63DD8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63DD8B

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63DD8B	#FFFFFF	#000000	##000000
##63DD8B	1.00	1.71	12.25	12.25
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.25	21.00	1.00	1.00
##000000	12.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DECD85

Deuteranopia (green-blind)

#CDC190

Tritanopia (blue-blind)

#42DAC8

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #63dd8b;
/* rgb */ color: rgb(99, 221, 139);
/* oklch */ color: oklch(80.7% 0.160 151.9);

Tailwind

colors: {
  custom: {
    50: '#99e8ad',
    500: '#63dd8b',
    950: '#000000',
  },
}

SCSS

$custom: #63dd8b;
$custom-light: #99e8ad;
$custom-dark: #000000;

JSON

{
  "hex": "#63dd8b",
  "rgb": {
    "r": 99,
    "g": 221,
    "b": 139
  },
  "hsl": {
    "h": 139.672,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.80742,
    "c": 0.16008,
    "h": 151.9
  },
  "luminance": 0.5623
}

Semantic roles & 50–950 ramp

primary

#63DD8B

secondary

#A53F84

accent

#1991CC

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0F1610

muted

#808481

Preview Lab

Preview with #63DD8B

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

Preview Lab → · Contrast checker → · Palette generator →