#63BD2C#63BD2C

#63BD2C is a light, vivid yellow-green. Relative luminance 0.392; OKLCH L 71.5% C 0.195 H 136.5°. Best body text is #000000 at 8.85:1 contrast (WCAG AA passes).

Color values

HEX#63BD2C
RGBrgb(99, 189, 44)
HSLhsl(97, 62%, 46%)
HSVhsv(97, 77%, 74%)
CMYKcmyk(47.6%, 0%, 76.7%, 25.9%)
CIE-LABlab(68.92, -50.88, 60.26)
CIE-LCHlch(68.92, 78.87, 130.17°)
OKLaboklab(71.51% -0.1416 0.1344)
OKLCHoklch(71.51% 0.195 136.5)
XYZxyz(23.7971, 39.2281, 8.7002)
Luminance0.3923 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BD2C #862CBD
analogous
#ACBD2C #63BD2C #2CBD3D
triadic
#63BD2C #2C63BD #BD2C63
tetradic
#63BD2C #2CACBD #862CBD #BD3D2C
square
#63BD2C #2CACBD #862CBD #BD3D2C
split-complementary
#63BD2C #3D2CBD #BD2CAC
monochromatic
#2F5A15 #498B20 #63BD2C #83D650 #A6E282

Accessibility & contrast

On white

2.37
#63BD2C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.85
#63BD2C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BD2C
8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BD2C#FFFFFF#000000##000000
##63BD2C1.002.378.858.85
#FFFFFF2.371.0021.0021.00
#0000008.8521.001.001.00
##0000008.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#C4AD05
Deuteranopia (green-blind)
#B8A53C
Tritanopia (blue-blind)
#5EB6A2
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #63bd2c;
/* rgb */ color: rgb(99, 189, 44);
/* oklch */ color: oklch(71.5% 0.195 136.5);
Tailwind
colors: {
  custom: {
    50: '#97d170',
    500: '#63bd2c',
    950: '#000000',
  },
}
SCSS
$custom: #63bd2c;
$custom-light: #97d170;
$custom-dark: #000000;
JSON
{
  "hex": "#63bd2c",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 44
  },
  "hsl": {
    "h": 97.241,
    "s": 62.232,
    "l": 45.686
  },
  "oklch": {
    "l": 0.71511,
    "c": 0.19518,
    "h": 136.5
  },
  "luminance": 0.3923
}

Semantic roles & 50–950 ramp

primary
#63BD2C
secondary
#AC7ACB
accent
#42E5A8
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1408
muted
#7E827B

Preview Lab

Preview with #63BD2C

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

Preview Lab → · Contrast checker → · Palette generator →

#63BD2C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva