#63BC27#63BC27

#63BC27 is a light, vivid yellow-green. Relative luminance 0.388; OKLCH L 71.2% C 0.196 H 136.1°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX#63BC27
RGBrgb(99, 188, 39)
HSLhsl(96, 66%, 45%)
HSVhsv(96, 79%, 74%)
CMYKcmyk(47.3%, 0%, 79.3%, 26.3%)
CIE-LABlab(68.58, -50.77, 61.49)
CIE-LCHlch(68.58, 79.75, 129.55°)
OKLaboklab(71.23% -0.1416 0.1362)
OKLCHoklch(71.23% 0.196 136.1)
XYZxyz(23.4944, 38.7640, 8.1633)
Luminance0.3877 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63BC27 #8027BC
analogous
#AEBC27 #63BC27 #27BC36
triadic
#63BC27 #2763BC #BC2763
tetradic
#63BC27 #27AEBC #8027BC #BC3627
square
#63BC27 #27AEBC #8027BC #BC3627
split-complementary
#63BC27 #3627BC #BC27AE
monochromatic
#2E5712 #48891C #63BC27 #82D947 #A4E37A

Accessibility & contrast

On white

2.40
#63BC27 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.75
#63BC27 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BC27
8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63BC27#FFFFFF#000000##000000
##63BC271.002.408.758.75
#FFFFFF2.401.0021.0021.00
#0000008.7521.001.001.00
##0000008.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3AC00
Deuteranopia (green-blind)
#B7A538
Tritanopia (blue-blind)
#5FB5A1
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #63bc27;
/* rgb */ color: rgb(99, 188, 39);
/* oklch */ color: oklch(71.2% 0.196 136.1);
Tailwind
colors: {
  custom: {
    50: '#98d16e',
    500: '#63bc27',
    950: '#000000',
  },
}
SCSS
$custom: #63bc27;
$custom-light: #98d16e;
$custom-dark: #000000;
JSON
{
  "hex": "#63bc27",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 39
  },
  "hsl": {
    "h": 95.839,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.71226,
    "c": 0.19646,
    "h": 136.1
  },
  "luminance": 0.38766
}

Semantic roles & 50–950 ramp

primary
#63BC27
secondary
#A873CB
accent
#3FE9A4
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1408
muted
#7E827B

Preview Lab

Preview with #63BC27

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

Preview Lab → · Contrast checker → · Palette generator →

#63BC27 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva