#63CE5B#63CE5B

#63CE5B is a light, vivid green. Relative luminance 0.476; OKLCH L 76.3% C 0.183 H 142.3°. Best body text is #000000 at 10.51:1 contrast (WCAG AA passes).

Color values

HEX#63CE5B
RGBrgb(99, 206, 91)
HSLhsl(116, 54%, 58%)
HSVhsv(116, 56%, 81%)
CMYKcmyk(51.9%, 0%, 55.8%, 19.2%)
CIE-LABlab(74.54, -53.25, 47.28)
CIE-LCHlch(74.54, 71.21, 138.40°)
OKLaboklab(76.26% -0.1451 0.1122)
OKLCHoklch(76.26% 0.183 142.3)
XYZxyz(29.1038, 47.5483, 17.5396)
Luminance0.4755 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CE5B #C65BCE
analogous
#9CCE5B #63CE5B #5BCE8C
triadic
#63CE5B #5B63CE #CE5B63
tetradic
#63CE5B #5B9CCE #C65BCE #CE8C5B
square
#63CE5B #5B9CCE #C65BCE #CE8C5B
split-complementary
#63CE5B #8C5BCE #CE5B9C
monochromatic
#2F8628 #3FB636 #63CE5B #90DC8A #BDEAB9

Accessibility & contrast

On white

2.00
#63CE5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.51
#63CE5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CE5B
10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CE5B#FFFFFF#000000##000000
##63CE5B1.002.0010.5110.51
#FFFFFF2.001.0021.0021.00
#00000010.5121.001.001.00
##00000010.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2BD50
Deuteranopia (green-blind)
#C4B464
Tritanopia (blue-blind)
#55C8B4
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #63ce5b;
/* rgb */ color: rgb(99, 206, 91);
/* oklch */ color: oklch(76.3% 0.183 142.3);
Tailwind
colors: {
  custom: {
    50: '#98de8c',
    500: '#63ce5b',
    950: '#000000',
  },
}
SCSS
$custom: #63ce5b;
$custom-light: #98de8c;
$custom-dark: #000000;
JSON
{
  "hex": "#63ce5b",
  "rgb": {
    "r": 99,
    "g": 206,
    "b": 91
  },
  "hsl": {
    "h": 115.826,
    "s": 53.991,
    "l": 58.235
  },
  "oklch": {
    "l": 0.76256,
    "c": 0.18343,
    "h": 142.3
  },
  "luminance": 0.47551
}

Semantic roles & 50–950 ramp

primary
#63CE5B
secondary
#D6ABD9
accent
#4ADDD3
background
#F9FDF8
surface
#F2FBF0
border
#CCD4CB
text
#0E150C
muted
#7E837D

Preview Lab

Preview with #63CE5B

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

Preview Lab → · Contrast checker → · Palette generator →

#63CE5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva