#63BD33#63BD33

#63BD33 is a light, vivid yellow-green. Relative luminance 0.393; OKLCH L 71.6% C 0.191 H 137.0°. Best body text is #000000 at 8.86:1 contrast (WCAG AA passes).

Color values

HEX#63BD33
RGBrgb(99, 189, 51)
HSLhsl(99, 58%, 47%)
HSVhsv(99, 73%, 74%)
CMYKcmyk(47.6%, 0%, 73%, 25.9%)
CIE-LABlab(68.96, -50.43, 57.92)
CIE-LCHlch(68.96, 76.80, 131.05°)
OKLaboklab(71.56% -0.1399 0.1305)
OKLCHoklch(71.56% 0.191 137)
XYZxyz(23.9400, 39.2853, 9.4527)
Luminance0.3929 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BD33 #8D33BD
analogous
#A8BD33 #63BD33 #33BD48
triadic
#63BD33 #3363BD #BD3363
tetradic
#63BD33 #33A8BD #8D33BD #BD4833
square
#63BD33 #33A8BD #8D33BD #BD4833
split-complementary
#63BD33 #4833BD #BD33A8
monochromatic
#315D19 #4A8D26 #63BD33 #84D35B #A8E08B

Accessibility & contrast

On white

2.37
#63BD33 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.86
#63BD33 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BD33
8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BD33#FFFFFF#000000##000000
##63BD331.002.378.868.86
#FFFFFF2.371.0021.0021.00
#0000008.8621.001.001.00
##0000008.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3AD19
Deuteranopia (green-blind)
#B7A541
Tritanopia (blue-blind)
#5EB6A2
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #63bd33;
/* rgb */ color: rgb(99, 189, 51);
/* oklch */ color: oklch(71.6% 0.191 137.0);
Tailwind
colors: {
  custom: {
    50: '#97d174',
    500: '#63bd33',
    950: '#000000',
  },
}
SCSS
$custom: #63bd33;
$custom-light: #97d174;
$custom-dark: #000000;
JSON
{
  "hex": "#63bd33",
  "rgb": {
    "r": 99,
    "g": 189,
    "b": 51
  },
  "hsl": {
    "h": 99.13,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.71558,
    "c": 0.1913,
    "h": 137
  },
  "luminance": 0.39287
}

Semantic roles & 50–950 ramp

primary
#63BD33
secondary
#B182CA
accent
#47E1AB
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1409
muted
#7E827B

Preview Lab

Preview with #63BD33

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

Preview Lab → · Contrast checker → · Palette generator →

#63BD33 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva