#63EF9D#63EF9D

#63EF9D is a very light, vivid green. Relative luminance 0.668; OKLCH L 85.5% C 0.168 H 154.7°. Best body text is #000000 at 14.36:1 contrast (WCAG AA passes).

Color values

HEX#63EF9D
RGBrgb(99, 239, 157)
HSLhsl(145, 81%, 66%)
HSVhsv(145, 59%, 94%)
CMYKcmyk(58.6%, 0%, 34.3%, 6.3%)
CIE-LABlab(85.41, -55.99, 28.60)
CIE-LCHlch(85.41, 62.88, 152.94°)
OKLaboklab(85.49% -0.152 0.0719)
OKLCHoklch(85.49% 0.168 154.7)
XYZxyz(42.0944, 66.8159, 42.5702)
Luminance0.6682 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63EF9D #EF63B5
analogous
#6FEF63 #63EF9D #63EFE3
triadic
#63EF9D #9D63EF #EF9D63
tetradic
#63EF9D #636FEF #EF63B5 #EFE363
square
#63EF9D #636FEF #EF63B5 #EFE363
split-complementary
#63EF9D #E363EF #EF636F
monochromatic
#14C45D #2BE97A #63EF9D #9BF5C0 #D2FAE3

Accessibility & contrast

On white

1.46
#63EF9D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.36
#63EF9D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF9D
14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63EF9D#FFFFFF#000000##000000
##63EF9D1.001.4614.3614.36
#FFFFFF1.461.0021.0021.00
#00000014.3621.001.001.00
##00000014.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#EEDD98
Deuteranopia (green-blind)
#DBD0A2
Tritanopia (blue-blind)
#30EDDA
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #63ef9d;
/* rgb */ color: rgb(99, 239, 157);
/* oklch */ color: oklch(85.5% 0.168 154.7);
Tailwind
colors: {
  custom: {
    50: '#9bf5ba',
    500: '#63ef9d',
    950: '#000000',
  },
}
SCSS
$custom: #63ef9d;
$custom-light: #9bf5ba;
$custom-dark: #000000;
JSON
{
  "hex": "#63ef9d",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 157
  },
  "hsl": {
    "h": 144.857,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85487,
    "c": 0.16816,
    "h": 154.7
  },
  "luminance": 0.6682
}

Semantic roles & 50–950 ramp

primary
#63EF9D
secondary
#C13587
accent
#0885DE
background
#FCFFFD
surface
#F5FEF8
border
#CFD6D1
text
#0F1711
muted
#808581

Preview Lab

Preview with #63EF9D

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

Preview Lab → · Contrast checker → · Palette generator →

#63EF9D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva