#63EF8D#63EF8D

#63EF8D is a very light, vivid green. Relative luminance 0.663; OKLCH L 85.2% C 0.183 H 150.5°. Best body text is #000000 at 14.26:1 contrast (WCAG AA passes).

Color values

HEX#63EF8D
RGBrgb(99, 239, 141)
HSLhsl(138, 81%, 66%)
HSVhsv(138, 59%, 94%)
CMYKcmyk(58.6%, 0%, 41%, 6.3%)
CIE-LABlab(85.15, -58.77, 36.31)
CIE-LCHlch(85.15, 69.08, 148.29°)
OKLaboklab(85.19% -0.159 0.0899)
OKLCHoklch(85.19% 0.183 150.5)
XYZxyz(40.8168, 66.3049, 35.8413)
Luminance0.6631 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63EF8D #EF63C5
analogous
#7FEF63 #63EF8D #63EFD3
triadic
#63EF8D #8D63EF #EF8D63
tetradic
#63EF8D #637FEF #EF63C5 #EFD363
square
#63EF8D #637FEF #EF63C5 #EFD363
split-complementary
#63EF8D #D363EF #EF637F
monochromatic
#14C449 #2BE964 #63EF8D #9BF5B6 #D2FADE

Accessibility & contrast

On white

1.47
#63EF8D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.26
#63EF8D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF8D
14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63EF8D#FFFFFF#000000##000000
##63EF8D1.001.4714.2614.26
#FFFFFF1.471.0021.0021.00
#00000014.2621.001.001.00
##00000014.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#F0DD86
Deuteranopia (green-blind)
#DED093
Tritanopia (blue-blind)
#3AEBD7
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #63ef8d;
/* rgb */ color: rgb(99, 239, 141);
/* oklch */ color: oklch(85.2% 0.183 150.5);
Tailwind
colors: {
  custom: {
    50: '#9bf5af',
    500: '#63ef8d',
    950: '#000000',
  },
}
SCSS
$custom: #63ef8d;
$custom-light: #9bf5af;
$custom-dark: #000000;
JSON
{
  "hex": "#63ef8d",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 141
  },
  "hsl": {
    "h": 138,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8519,
    "c": 0.1826,
    "h": 150.5
  },
  "luminance": 0.66309
}

Semantic roles & 50–950 ramp

primary
#63EF8D
secondary
#C13597
accent
#089EDE
background
#FCFFFD
surface
#F6FEF7
border
#D0D6D0
text
#0F1710
muted
#808581

Preview Lab

Preview with #63EF8D

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

Preview Lab → · Contrast checker → · Palette generator →

#63EF8D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva