#63CF51#63CF51

#63CF51 is a light, vivid green. Relative luminance 0.479; OKLCH L 76.4% C 0.193 H 140.9°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX#63CF51
RGBrgb(99, 207, 81)
HSLhsl(111, 57%, 56%)
HSVhsv(111, 61%, 81%)
CMYKcmyk(52.2%, 0%, 60.9%, 18.8%)
CIE-LABlab(74.74, -54.75, 52.03)
CIE-LCHlch(74.74, 75.53, 136.46°)
OKLaboklab(76.39% -0.1497 0.1216)
OKLCHoklch(76.39% 0.193 140.9)
XYZxyz(28.9423, 47.8701, 15.4977)
Luminance0.4787 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CF51 #BD51CF
analogous
#A2CF51 #63CF51 #51CF7E
triadic
#63CF51 #5163CF #CF5163
tetradic
#63CF51 #51A2CF #BD51CF #CF7E51
square
#63CF51 #51A2CF #BD51CF #CF7E51
split-complementary
#63CF51 #7E51CF #CF51A2
monochromatic
#318224 #43B231 #63CF51 #8EDC81 #B9E9B1

Accessibility & contrast

On white

1.99
#63CF51 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.57
#63CF51 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF51
10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CF51#FFFFFF#000000##000000
##63CF511.001.9910.5710.57
#FFFFFF1.991.0021.0021.00
#00000010.5721.001.001.00
##00000010.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D4BE43
Deuteranopia (green-blind)
#C6B45B
Tritanopia (blue-blind)
#56C9B4
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #63cf51;
/* rgb */ color: rgb(99, 207, 81);
/* oklch */ color: oklch(76.4% 0.193 140.9);
Tailwind
colors: {
  custom: {
    50: '#98de86',
    500: '#63cf51',
    950: '#000000',
  },
}
SCSS
$custom: #63cf51;
$custom-light: #98de86;
$custom-dark: #000000;
JSON
{
  "hex": "#63cf51",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 81
  },
  "hsl": {
    "h": 111.429,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.76391,
    "c": 0.19287,
    "h": 140.9
  },
  "luminance": 0.47872
}

Semantic roles & 50–950 ramp

primary
#63CF51
secondary
#D0A4D8
accent
#48E0CA
background
#F9FDF8
surface
#F2FBF0
border
#CCD4CB
text
#0F150B
muted
#7E837C

Preview Lab

Preview with #63CF51

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

Preview Lab → · Contrast checker → · Palette generator →

#63CF51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva