#63EF5A#63EF5A

#63EF5A is a very light, highly saturated green. Relative luminance 0.651; OKLCH L 84.5% C 0.225 H 142.3°. Best body text is #000000 at 14.02:1 contrast (WCAG AA passes).

Color values

HEX#63EF5A
RGBrgb(99, 239, 90)
HSLhsl(116, 82%, 65%)
HSVhsv(116, 62%, 94%)
CMYKcmyk(58.6%, 0%, 62.3%, 6.3%)
CIE-LABlab(84.55, -65.51, 59.20)
CIE-LCHlch(84.55, 88.30, 137.90°)
OKLaboklab(84.49% -0.1784 0.1378)
OKLCHoklch(84.49% 0.225 142.3)
XYZxyz(37.8556, 65.1204, 20.2454)
Luminance0.6512 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63EF5A #E65AEF
analogous
#AEEF5A #63EF5A #5AEF9C
triadic
#63EF5A #5A63EF #EF5A63
tetradic
#63EF5A #5AAEEF #E65AEF #EF9C5A
square
#63EF5A #5AAEEF #E65AEF #EF9C5A
split-complementary
#63EF5A #9C5AEF #EF5AAE
monochromatic
#1DBC12 #2EEA22 #63EF5A #98F492 #CCFACA

Accessibility & contrast

On white

1.50
#63EF5A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.02
#63EF5A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF5A
14.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63EF5A#FFFFFF#000000##000000
##63EF5A1.001.5014.0214.02
#FFFFFF1.501.0021.0021.00
#00000014.0221.001.001.00
##00000014.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#F4DA48
Deuteranopia (green-blind)
#E3CE67
Tritanopia (blue-blind)
#4CE8D0
Achromatopsia (no color)
#D3D3D3

Design tokens & code

CSS
--color: #63ef5a;
/* rgb */ color: rgb(99, 239, 90);
/* oklch */ color: oklch(84.5% 0.225 142.3);
Tailwind
colors: {
  custom: {
    50: '#9df58e',
    500: '#63ef5a',
    950: '#000000',
  },
}
SCSS
$custom: #63ef5a;
$custom-light: #9df58e;
$custom-dark: #000000;
JSON
{
  "hex": "#63ef5a",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 90
  },
  "hsl": {
    "h": 116.376,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.84494,
    "c": 0.22541,
    "h": 142.3
  },
  "luminance": 0.65124
}

Semantic roles & 50–950 ramp

primary
#63EF5A
secondary
#B332BB
accent
#07DFD2
background
#FCFFFC
surface
#F6FFF4
border
#D0D7CE
text
#10170D
muted
#80857F

Preview Lab

Preview with #63EF5A

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

Preview Lab → · Contrast checker → · Palette generator →

#63EF5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva