#63BB2C#63BB2C

#63BB2C is a light, vivid yellow-green. Relative luminance 0.384; OKLCH L 71.0% C 0.193 H 136.3°. Best body text is #000000 at 8.67:1 contrast (WCAG AA passes).

Color values

HEX#63BB2C
RGBrgb(99, 187, 44)
HSLhsl(97, 62%, 45%)
HSVhsv(97, 76%, 73%)
CMYKcmyk(47.1%, 0%, 76.5%, 26.7%)
CIE-LABlab(68.30, -50.10, 59.67)
CIE-LCHlch(68.30, 77.91, 130.02°)
OKLaboklab(71% -0.1395 0.1331)
OKLCHoklch(71% 0.193 136.3)
XYZxyz(23.3699, 38.3736, 8.5578)
Luminance0.3837 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BB2C #842CBB
analogous
#AABB2C #63BB2C #2CBB3C
triadic
#63BB2C #2C63BB #BB2C63
tetradic
#63BB2C #2CAABB #842CBB #BB3C2C
square
#63BB2C #2CAABB #842CBB #BB3C2C
split-complementary
#63BB2C #3C2CBB #BB2CAA
monochromatic
#2F5815 #498920 #63BB2C #83D64F #A6E180

Accessibility & contrast

On white

2.42
#63BB2C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.67
#63BB2C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BB2C
8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BB2C#FFFFFF#000000##000000
##63BB2C1.002.428.678.67
#FFFFFF2.421.0021.0021.00
#0000008.6721.001.001.00
##0000008.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#C2AB07
Deuteranopia (green-blind)
#B6A43B
Tritanopia (blue-blind)
#5FB4A0
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #63bb2c;
/* rgb */ color: rgb(99, 187, 44);
/* oklch */ color: oklch(71.0% 0.193 136.3);
Tailwind
colors: {
  custom: {
    50: '#97d070',
    500: '#63bb2c',
    950: '#000000',
  },
}
SCSS
$custom: #63bb2c;
$custom-light: #97d070;
$custom-dark: #000000;
JSON
{
  "hex": "#63bb2c",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 44
  },
  "hsl": {
    "h": 96.923,
    "s": 61.905,
    "l": 45.294
  },
  "oklch": {
    "l": 0.71,
    "c": 0.1928,
    "h": 136.3
  },
  "luminance": 0.38375
}

Semantic roles & 50–950 ramp

primary
#63BB2C
secondary
#AB79CA
accent
#43E5A7
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1408
muted
#7E827B

Preview Lab

Preview with #63BB2C

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

Preview Lab → · Contrast checker → · Palette generator →

#63BB2C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva