#63B52C#63B52C

#63B52C is a light, vivid yellow-green. Relative luminance 0.359; OKLCH L 69.5% C 0.186 H 135.8°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX#63B52C
RGBrgb(99, 181, 44)
HSLhsl(96, 61%, 44%)
HSVhsv(96, 76%, 71%)
CMYKcmyk(45.3%, 0%, 75.7%, 29%)
CIE-LABlab(66.43, -47.73, 57.86)
CIE-LCHlch(66.43, 75.00, 129.52°)
OKLaboklab(69.47% -0.1331 0.1293)
OKLCHoklch(69.47% 0.186 135.8)
XYZxyz(22.1235, 35.8809, 8.1423)
Luminance0.3588 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B52C #7E2CB5
analogous
#A8B52C #63B52C #2CB539
triadic
#63B52C #2C63B5 #B52C63
tetradic
#63B52C #2CA8B5 #7E2CB5 #B5392C
square
#63B52C #2CA8B5 #7E2CB5 #B5392C
split-complementary
#63B52C #392CB5 #B52CA8
monochromatic
#2D5314 #488420 #63B52C #82D34B #A4DF7C

Accessibility & contrast

On white

2.57
#63B52C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.18
#63B52C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B52C
8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B52C#FFFFFF#000000##000000
##63B52C1.002.578.188.18
#FFFFFF2.571.0021.0021.00
#0000008.1821.001.001.00
##0000008.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#BCA60C
Deuteranopia (green-blind)
#B19F3A
Tritanopia (blue-blind)
#60AE9B
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #63b52c;
/* rgb */ color: rgb(99, 181, 44);
/* oklch */ color: oklch(69.5% 0.186 135.8);
Tailwind
colors: {
  custom: {
    50: '#97cc6f',
    500: '#63b52c',
    950: '#000000',
  },
}
SCSS
$custom: #63b52c;
$custom-light: #97cc6f;
$custom-dark: #000000;
JSON
{
  "hex": "#63b52c",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 44
  },
  "hsl": {
    "h": 95.912,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.69467,
    "c": 0.18557,
    "h": 135.8
  },
  "luminance": 0.35882
}

Semantic roles & 50–950 ramp

primary
#63B52C
secondary
#A775C8
accent
#44E4A4
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1308
muted
#7E827B

Preview Lab

Preview with #63B52C

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

Preview Lab → · Contrast checker → · Palette generator →

#63B52C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva