#63CF4A#63CF4A

#63CF4A is a light, vivid green. Relative luminance 0.478; OKLCH L 76.3% C 0.198 H 140.1°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX#63CF4A
RGBrgb(99, 207, 74)
HSLhsl(109, 58%, 55%)
HSVhsv(109, 64%, 81%)
CMYKcmyk(52.2%, 0%, 64.3%, 18.8%)
CIE-LABlab(74.68, -55.45, 54.95)
CIE-LCHlch(74.68, 78.07, 135.25°)
OKLaboklab(76.32% -0.152 0.1271)
OKLCHoklch(76.32% 0.198 140.1)
XYZxyz(28.6932, 47.7705, 14.1858)
Luminance0.4777 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CF4A #B64ACF
analogous
#A5CF4A #63CF4A #4ACF74
triadic
#63CF4A #4A63CF #CF4A63
tetradic
#63CF4A #4AA5CF #B64ACF #CF744A
square
#63CF4A #4AA5CF #B64ACF #CF744A
split-complementary
#63CF4A #744ACF #CF4AA5
monochromatic
#337D21 #46AE2E #63CF4A #8DDC7A #B6E9AB

Accessibility & contrast

On white

1.99
#63CF4A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.55
#63CF4A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF4A
10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CF4A#FFFFFF#000000##000000
##63CF4A1.001.9910.5510.55
#FFFFFF1.991.0021.0021.00
#00000010.5521.001.001.00
##00000010.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D4BD39
Deuteranopia (green-blind)
#C6B455
Tritanopia (blue-blind)
#58C9B3
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #63cf4a;
/* rgb */ color: rgb(99, 207, 74);
/* oklch */ color: oklch(76.3% 0.198 140.1);
Tailwind
colors: {
  custom: {
    50: '#99de82',
    500: '#63cf4a',
    950: '#000000',
  },
}
SCSS
$custom: #63cf4a;
$custom-light: #99de82;
$custom-dark: #000000;
JSON
{
  "hex": "#63cf4a",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 74
  },
  "hsl": {
    "h": 108.722,
    "s": 58.079,
    "l": 55.098
  },
  "oklch": {
    "l": 0.76319,
    "c": 0.19815,
    "h": 140.1
  },
  "luminance": 0.47773
}

Semantic roles & 50–950 ramp

primary
#63CF4A
secondary
#CC9FD6
accent
#46E1C4
background
#F9FDF8
surface
#F2FBEF
border
#CCD4CA
text
#0F150B
muted
#7E837C

Preview Lab

Preview with #63CF4A

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

Preview Lab → · Contrast checker → · Palette generator →

#63CF4A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva