#63CC40#63CC40

#63CC40 is a light, highly saturated green. Relative luminance 0.462; OKLCH L 75.5% C 0.201 H 139.0°. Best body text is #000000 at 10.24:1 contrast (WCAG AA passes).

Color values

HEX#63CC40
RGBrgb(99, 204, 64)
HSLhsl(105, 58%, 53%)
HSVhsv(105, 69%, 80%)
CMYKcmyk(51.5%, 0%, 68.6%, 20%)
CIE-LABlab(73.68, -55.20, 57.91)
CIE-LCHlch(73.68, 80.00, 133.63°)
OKLaboklab(75.47% -0.1519 0.1322)
OKLCHoklch(75.47% 0.201 139)
XYZxyz(27.6628, 46.2064, 12.3105)
Luminance0.4621 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63CC40 #A940CC
analogous
#A9CC40 #63CC40 #40CC63
triadic
#63CC40 #4063CC #CC4063
tetradic
#63CC40 #40A9CC #A940CC #CC6340
square
#63CC40 #40A9CC #A940CC #CC6340
split-complementary
#63CC40 #6340CC #CC40A9
monochromatic
#34731F #49A32C #63CC40 #8AD970 #B2E6A1

Accessibility & contrast

On white

2.05
#63CC40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.24
#63CC40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CC40
10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63CC40#FFFFFF#000000##000000
##63CC401.002.0510.2410.24
#FFFFFF2.051.0021.0021.00
#00000010.2421.001.001.00
##00000010.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2BB2B
Deuteranopia (green-blind)
#C4B24D
Tritanopia (blue-blind)
#5AC5B0
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #63cc40;
/* rgb */ color: rgb(99, 204, 64);
/* oklch */ color: oklch(75.5% 0.201 139.0);
Tailwind
colors: {
  custom: {
    50: '#99dc7c',
    500: '#63cc40',
    950: '#000000',
  },
}
SCSS
$custom: #63cc40;
$custom-light: #99dc7c;
$custom-dark: #000000;
JSON
{
  "hex": "#63cc40",
  "rgb": {
    "r": 99,
    "g": 204,
    "b": 64
  },
  "hsl": {
    "h": 105,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.7547,
    "c": 0.20138,
    "h": 139
  },
  "luminance": 0.46209
}

Semantic roles & 50–950 ramp

primary
#63CC40
secondary
#C395D2
accent
#47E1BA
background
#F9FDF7
surface
#F2FBEE
border
#CCD4C9
text
#0F150A
muted
#7E837C

Preview Lab

Preview with #63CC40

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

Preview Lab → · Contrast checker → · Palette generator →

#63CC40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva