#63FA5B#63FA5B

#63FA5B is a very light, highly saturated green. Relative luminance 0.718; OKLCH L 87.2% C 0.238 H 142.5°. Best body text is #000000 at 15.36:1 contrast (WCAG AA passes).

Color values

HEX#63FA5B
RGBrgb(99, 250, 91)
HSLhsl(117, 94%, 67%)
HSVhsv(117, 64%, 98%)
CMYKcmyk(60.4%, 0%, 63.6%, 2%)
CIE-LABlab(87.86, -69.22, 62.47)
CIE-LCHlch(87.86, 93.24, 137.93°)
OKLaboklab(87.23% -0.1884 0.1448)
OKLCHoklch(87.23% 0.238 142.5)
XYZxyz(41.2173, 71.7753, 21.5774)
Luminance0.7178 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63FA5B #F25BFA
analogous
#B3FA5B #63FA5B #5BFAA3
triadic
#63FA5B #5B63FA #FA5B63
tetradic
#63FA5B #5BB3FA #F25BFA #FAA35B
square
#63FA5B #5BB3FA #F25BFA #FAA35B
split-complementary
#63FA5B #A35BFA #FA5BB3
monochromatic
#11D406 #2BF820 #63FA5B #9BFC96 #D4FED2

Accessibility & contrast

On white

1.37
#63FA5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.36
#63FA5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63FA5B
15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63FA5B#FFFFFF#000000##000000
##63FA5B1.001.3715.3615.36
#FFFFFF1.371.0021.0021.00
#00000015.3621.001.001.00
##00000015.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE447
Deuteranopia (green-blind)
#EDD769
Tritanopia (blue-blind)
#48F3D9
Achromatopsia (no color)
#DCDCDC

Design tokens & code

CSS
--color: #63fa5b;
/* rgb */ color: rgb(99, 250, 91);
/* oklch */ color: oklch(87.2% 0.238 142.5);
Tailwind
colors: {
  custom: {
    50: '#9efd8f',
    500: '#63fa5b',
    950: '#000000',
  },
}
SCSS
$custom: #63fa5b;
$custom-light: #9efd8f;
$custom-dark: #000000;
JSON
{
  "hex": "#63fa5b",
  "rgb": {
    "r": 99,
    "g": 250,
    "b": 91
  },
  "hsl": {
    "h": 116.981,
    "s": 94.083,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87233,
    "c": 0.23761,
    "h": 142.5
  },
  "luminance": 0.71779
}

Semantic roles & 50–950 ramp

primary
#63FA5B
secondary
#C62BCF
accent
#00E6DA
background
#FDFFFC
surface
#F7FFF4
border
#D0D7CE
text
#10180D
muted
#81867F

Preview Lab

Preview with #63FA5B

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

Preview Lab → · Contrast checker → · Palette generator →

#63FA5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva