#63EF63#63EF63

#63EF63 is a very light, highly saturated green. Relative luminance 0.653; OKLCH L 84.6% C 0.219 H 143.3°. Best body text is #000000 at 14.06:1 contrast (WCAG AA passes).

Color values

HEX#63EF63
RGBrgb(99, 239, 99)
HSLhsl(120, 81%, 66%)
HSVhsv(120, 59%, 94%)
CMYKcmyk(58.6%, 0%, 58.6%, 6.3%)
CIE-LABlab(84.63, -64.56, 55.46)
CIE-LCHlch(84.63, 85.11, 139.34°)
OKLaboklab(84.59% -0.1754 0.1306)
OKLCHoklch(84.59% 0.219 143.3)
XYZxyz(38.2621, 65.2830, 22.3865)
Luminance0.6529 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63EF63 #EF63EF
analogous
#A9EF63 #63EF63 #63EFA9
triadic
#63EF63 #6363EF #EF6363
tetradic
#63EF63 #63A9EF #EF63EF #EFA963
square
#63EF63 #63A9EF #EF63EF #EFA963
split-complementary
#63EF63 #A963EF #EF63A9
monochromatic
#14C414 #2BE92B #63EF63 #9BF59B #D2FAD2

Accessibility & contrast

On white

1.49
#63EF63 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.06
#63EF63 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF63
14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63EF63#FFFFFF#000000##000000
##63EF631.001.4914.0614.06
#FFFFFF1.491.0021.0021.00
#00000014.0621.001.001.00
##00000014.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#F4DB54
Deuteranopia (green-blind)
#E2CF6E
Tritanopia (blue-blind)
#4AE9D1
Achromatopsia (no color)
#D3D3D3

Design tokens & code

CSS
--color: #63ef63;
/* rgb */ color: rgb(99, 239, 99);
/* oklch */ color: oklch(84.6% 0.219 143.3);
Tailwind
colors: {
  custom: {
    50: '#9cf594',
    500: '#63ef63',
    950: '#000000',
  },
}
SCSS
$custom: #63ef63;
$custom-light: #9cf594;
$custom-dark: #000000;
JSON
{
  "hex": "#63ef63",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 120,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.8459,
    "c": 0.21865,
    "h": 143.3
  },
  "luminance": 0.65287
}

Semantic roles & 50–950 ramp

primary
#63EF63
secondary
#C135C1
accent
#08DEDE
background
#FCFFFC
surface
#F6FFF4
border
#D0D7CE
text
#0F170D
muted
#80857F

Preview Lab

Preview with #63EF63

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

Preview Lab → · Contrast checker → · Palette generator →

#63EF63 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva