#63C63B#63C63B

#63C63B is a light, vivid green. Relative luminance 0.434; OKLCH L 73.9% C 0.197 H 138.2°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX#63C63B
RGBrgb(99, 198, 59)
HSLhsl(103, 55%, 50%)
HSVhsv(103, 70%, 78%)
CMYKcmyk(50%, 0%, 70.2%, 22.4%)
CIE-LABlab(71.80, -53.32, 57.86)
CIE-LCHlch(71.80, 78.68, 132.66°)
OKLaboklab(73.91% -0.1472 0.1314)
OKLCHoklch(73.91% 0.197 138.2)
XYZxyz(26.1282, 43.3547, 11.1283)
Luminance0.4336 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C63B #9E3BC6
analogous
#A8C63B #63C63B #3BC658
triadic
#63C63B #3B63C6 #C63B63
tetradic
#63C63B #3BA8C6 #9E3BC6 #C6583B
square
#63C63B #3BA8C6 #9E3BC6 #C6583B
split-complementary
#63C63B #583BC6 #C63BA8
monochromatic
#34681E #4B982C #63C63B #89D46A #AEE29A

Accessibility & contrast

On white

2.17
#63C63B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.67
#63C63B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C63B
9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C63B#FFFFFF#000000##000000
##63C63B1.002.179.679.67
#FFFFFF2.171.0021.0021.00
#0000009.6721.001.001.00
##0000009.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#CCB525
Deuteranopia (green-blind)
#BFAD48
Tritanopia (blue-blind)
#5BBFAA
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #63c63b;
/* rgb */ color: rgb(99, 198, 59);
/* oklch */ color: oklch(73.9% 0.197 138.2);
Tailwind
colors: {
  custom: {
    50: '#98d879',
    500: '#63c63b',
    950: '#000000',
  },
}
SCSS
$custom: #63c63b;
$custom-light: #98d879;
$custom-dark: #000000;
JSON
{
  "hex": "#63c63b",
  "rgb": {
    "r": 99,
    "g": 198,
    "b": 59
  },
  "hsl": {
    "h": 102.734,
    "s": 54.941,
    "l": 50.392
  },
  "oklch": {
    "l": 0.73908,
    "c": 0.19733,
    "h": 138.2
  },
  "luminance": 0.43357
}

Semantic roles & 50–950 ramp

primary
#63C63B
secondary
#BC8FCD
accent
#4ADEB3
background
#F9FDF7
surface
#F2FAEE
border
#CCD3C9
text
#0F1409
muted
#7E837B

Preview Lab

Preview with #63C63B

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

Preview Lab → · Contrast checker → · Palette generator →

#63C63B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva