#63EF2D#63EF2D

#63EF2D is a very light, highly saturated green. Relative luminance 0.646; OKLCH L 84.2% C 0.251 H 139.1°. Best body text is #000000 at 13.92:1 contrast (WCAG AA passes).

Color values

HEX#63EF2D
RGBrgb(99, 239, 45)
HSLhsl(103, 86%, 56%)
HSVhsv(103, 81%, 94%)
CMYKcmyk(58.6%, 0%, 81.2%, 6.3%)
CIE-LABlab(84.26, -68.79, 74.33)
CIE-LCHlch(84.26, 101.27, 132.78°)
OKLaboklab(84.17% -0.1896 0.164)
OKLCHoklch(84.17% 0.251 139.1)
XYZxyz(36.4842, 64.5718, 13.0231)
Luminance0.6458 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63EF2D #B92DEF
analogous
#C4EF2D #63EF2D #2DEF58
triadic
#63EF2D #2D63EF #EF2D63
tetradic
#63EF2D #2DC4EF #B92DEF #EF582D
square
#63EF2D #2DC4EF #B92DEF #EF582D
split-complementary
#63EF2D #582DEF #EF2DC4
monochromatic
#32960B #45CF10 #63EF2D #8DF366 #B7F89F

Accessibility & contrast

On white

1.51
#63EF2D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.92
#63EF2D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF2D
13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63EF2D#FFFFFF#000000##000000
##63EF2D1.001.5113.9213.92
#FFFFFF1.511.0021.0021.00
#00000013.9221.001.001.00
##00000013.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#F6D900
Deuteranopia (green-blind)
#E5CE46
Tritanopia (blue-blind)
#53E7CC
Achromatopsia (no color)
#D2D2D2

Design tokens & code

CSS
--color: #63ef2d;
/* rgb */ color: rgb(99, 239, 45);
/* oklch */ color: oklch(84.2% 0.251 139.1);
Tailwind
colors: {
  custom: {
    50: '#9ef577',
    500: '#63ef2d',
    950: '#000000',
  },
}
SCSS
$custom: #63ef2d;
$custom-light: #9ef577;
$custom-dark: #000000;
JSON
{
  "hex": "#63ef2d",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 45
  },
  "hsl": {
    "h": 103.299,
    "s": 85.841,
    "l": 55.686
  },
  "oklch": {
    "l": 0.84169,
    "c": 0.25065,
    "h": 139.1
  },
  "luminance": 0.64575
}

Semantic roles & 50–950 ramp

primary
#63EF2D
secondary
#7A269A
accent
#2CFCC2
background
#FDFFFB
surface
#F7FFF2
border
#D0D7CC
text
#10170A
muted
#81857D

Preview Lab

Preview with #63EF2D

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

Preview Lab → · Contrast checker → · Palette generator →

#63EF2D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva