#63AC38#63AC38

#63AC38 is a light, vivid yellow-green. Relative luminance 0.324; OKLCH L 67.3% C 0.167 H 136.0°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX#63AC38
RGBrgb(99, 172, 56)
HSLhsl(98, 51%, 45%)
HSVhsv(98, 67%, 67%)
CMYKcmyk(42.4%, 0%, 67.4%, 32.5%)
CIE-LABlab(63.71, -43.17, 50.57)
CIE-LCHlch(63.71, 66.49, 130.48°)
OKLaboklab(67.26% -0.1199 0.1158)
OKLCHoklch(67.26% 0.167 136)
XYZxyz(20.6114, 32.4421, 8.9165)
Luminance0.3244 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63AC38 #8138AC
analogous
#9DAC38 #63AC38 #38AC47
triadic
#63AC38 #3863AC #AC3863
tetradic
#63AC38 #389DAC #8138AC #AC4738
square
#63AC38 #389DAC #8138AC #AC4738
split-complementary
#63AC38 #4738AC #AC389D
monochromatic
#2E501A #487E29 #63AC38 #82C958 #A5D887

Accessibility & contrast

On white

2.80
#63AC38 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.49
#63AC38 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AC38
7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63AC38#FFFFFF#000000##000000
##63AC381.002.807.497.49
#FFFFFF2.801.0021.0021.00
#0000007.4921.001.001.00
##0000007.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#B29E28
Deuteranopia (green-blind)
#A89842
Tritanopia (blue-blind)
#60A694
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #63ac38;
/* rgb */ color: rgb(99, 172, 56);
/* oklch */ color: oklch(67.3% 0.167 136.0);
Tailwind
colors: {
  custom: {
    50: '#95c574',
    500: '#63ac38',
    950: '#000000',
  },
}
SCSS
$custom: #63ac38;
$custom-light: #95c574;
$custom-dark: #000000;
JSON
{
  "hex": "#63ac38",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 56
  },
  "hsl": {
    "h": 97.759,
    "s": 50.877,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67262,
    "c": 0.16665,
    "h": 136
  },
  "luminance": 0.32443
}

Semantic roles & 50–950 ramp

primary
#63AC38
secondary
#A97EC2
accent
#4DDAA6
background
#F9FCF7
surface
#F2F8ED
border
#CCD1C8
text
#0E1309
muted
#7E827B

Preview Lab

Preview with #63AC38

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

Preview Lab → · Contrast checker → · Palette generator →

#63AC38 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva