#63D538#63D538

#63D538 is a light, highly saturated green. Relative luminance 0.505; OKLCH L 77.7% C 0.217 H 138.7°. Best body text is #000000 at 11.11:1 contrast (WCAG AA passes).

Color values

HEX#63D538
RGBrgb(99, 213, 56)
HSLhsl(104, 65%, 53%)
HSVhsv(104, 74%, 84%)
CMYKcmyk(53.5%, 0%, 73.7%, 16.5%)
CIE-LABlab(76.39, -59.12, 63.59)
CIE-LCHlch(76.39, 86.83, 132.91°)
OKLaboklab(77.69% -0.163 0.143)
OKLCHoklch(77.69% 0.217 138.7)
XYZxyz(29.6525, 50.5243, 11.9302)
Luminance0.5053 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63D538 #AA38D5
analogous
#B1D538 #63D538 #38D55C
triadic
#63D538 #3863D5 #D53863
tetradic
#63D538 #38B1D5 #AA38D5 #D55C38
square
#63D538 #38B1D5 #AA38D5 #D55C38
split-complementary
#63D538 #5C38D5 #D538B1
monochromatic
#34791A #49AC24 #63D538 #8BE06B #B2EA9D

Accessibility & contrast

On white

1.89
#63D538 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.11
#63D538 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D538
11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63D538#FFFFFF#000000##000000
##63D5381.001.8911.1111.11
#FFFFFF1.891.0021.0021.00
#00000011.1121.001.001.00
##00000011.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#DBC218
Deuteranopia (green-blind)
#CDB948
Tritanopia (blue-blind)
#58CEB7
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #63d538;
/* rgb */ color: rgb(99, 213, 56);
/* oklch */ color: oklch(77.7% 0.217 138.7);
Tailwind
colors: {
  custom: {
    50: '#9ae379',
    500: '#63d538',
    950: '#000000',
  },
}
SCSS
$custom: #63d538;
$custom-light: #9ae379;
$custom-dark: #000000;
JSON
{
  "hex": "#63d538",
  "rgb": {
    "r": 99,
    "g": 213,
    "b": 56
  },
  "hsl": {
    "h": 103.567,
    "s": 65.145,
    "l": 52.745
  },
  "oklch": {
    "l": 0.77686,
    "c": 0.21686,
    "h": 138.7
  },
  "luminance": 0.50527
}

Semantic roles & 50–950 ramp

primary
#63D538
secondary
#6B3081
accent
#40E8BA
background
#FCFEFB
surface
#F5FCF2
border
#CFD5CC
text
#0F150A
muted
#80847D

Preview Lab

Preview with #63D538

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

Preview Lab → · Contrast checker → · Palette generator →

#63D538 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva