#63CF3A#63CF3A

#63CF3A is a light, highly saturated green. Relative luminance 0.476; OKLCH L 76.2% C 0.209 H 138.6°. Best body text is #000000 at 10.52:1 contrast (WCAG AA passes).

Color values

HEX#63CF3A
RGBrgb(99, 207, 58)
HSLhsl(103, 61%, 52%)
HSVhsv(103, 72%, 81%)
CMYKcmyk(52.2%, 0%, 72%, 18.8%)
CIE-LABlab(74.56, -56.78, 61.06)
CIE-LCHlch(74.56, 83.38, 132.92°)
OKLaboklab(76.18% -0.1566 0.138)
OKLCHoklch(76.18% 0.209 138.6)
XYZxyz(28.2211, 47.5816, 11.6992)
Luminance0.4758 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CF3A #A63ACF
analogous
#ADCF3A #63CF3A #3ACF5C
triadic
#63CF3A #3A63CF #CF3A63
tetradic
#63CF3A #3AADCF #A63ACF #CF5C3A
square
#63CF3A #3AADCF #A63ACF #CF5C3A
split-complementary
#63CF3A #5C3ACF #CF3AAD
monochromatic
#34731C #4AA428 #63CF3A #8ADB6B #B1E79C

Accessibility & contrast

On white

2.00
#63CF3A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.52
#63CF3A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF3A
10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CF3A#FFFFFF#000000##000000
##63CF3A1.002.0010.5210.52
#FFFFFF2.001.0021.0021.00
#00000010.5221.001.001.00
##00000010.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#D5BD1F
Deuteranopia (green-blind)
#C7B449
Tritanopia (blue-blind)
#5AC8B2
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #63cf3a;
/* rgb */ color: rgb(99, 207, 58);
/* oklch */ color: oklch(76.2% 0.209 138.6);
Tailwind
colors: {
  custom: {
    50: '#99de79',
    500: '#63cf3a',
    950: '#000000',
  },
}
SCSS
$custom: #63cf3a;
$custom-light: #99de79;
$custom-dark: #000000;
JSON
{
  "hex": "#63cf3a",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 58
  },
  "hsl": {
    "h": 103.49,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.76182,
    "c": 0.20872,
    "h": 138.6
  },
  "luminance": 0.47584
}

Semantic roles & 50–950 ramp

primary
#63CF3A
secondary
#C192D3
accent
#44E4B8
background
#FAFDF7
surface
#F3FBEE
border
#CDD4C9
text
#0F150A
muted
#7F837C

Preview Lab

Preview with #63CF3A

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

Preview Lab → · Contrast checker → · Palette generator →

#63CF3A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva