#63FF4B#63FF4B

#63FF4B is a very light, highly saturated green. Relative luminance 0.747; OKLCH L 88.3% C 0.253 H 141.2°. Best body text is #000000 at 15.94:1 contrast (WCAG AA passes).

Color values

HEX#63FF4B
RGBrgb(99, 255, 75)
HSLhsl(112, 100%, 65%)
HSVhsv(112, 71%, 100%)
CMYKcmyk(61.2%, 0%, 70.6%, 0%)
CIE-LABlab(89.24, -72.26, 69.99)
CIE-LCHlch(89.24, 100.60, 135.92°)
OKLaboklab(88.34% -0.1975 0.1588)
OKLCHoklch(88.34% 0.253 141.2)
XYZxyz(42.1735, 74.6766, 18.8468)
Luminance0.7468 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63FF4B #E74BFF
analogous
#BDFF4B #63FF4B #4BFF8D
triadic
#63FF4B #4B63FF #FF4B63
tetradic
#63FF4B #4BBDFF #E74BFF #FF8D4B
square
#63FF4B #4BBDFF #E74BFF #FF8D4B
split-complementary
#63FF4B #8D4BFF #FF4BBD
monochromatic
#1CD000 #2EFF0E #63FF4B #98FF88 #CDFFC5

Accessibility & contrast

On white

1.32
#63FF4B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.94
#63FF4B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63FF4B
15.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63FF4B#FFFFFF#000000##000000
##63FF4B1.001.3215.9415.94
#FFFFFF1.321.0021.0021.00
#00000015.9421.001.001.00
##00000015.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE82C
Deuteranopia (green-blind)
#F2DB5D
Tritanopia (blue-blind)
#49F7DC
Achromatopsia (no color)
#E0E0E0

Design tokens & code

CSS
--color: #63ff4b;
/* rgb */ color: rgb(99, 255, 75);
/* oklch */ color: oklch(88.3% 0.253 141.2);
Tailwind
colors: {
  custom: {
    50: '#a0ff87',
    500: '#63ff4b',
    950: '#000000',
  },
}
SCSS
$custom: #63ff4b;
$custom-light: #a0ff87;
$custom-dark: #000000;
JSON
{
  "hex": "#63ff4b",
  "rgb": {
    "r": 99,
    "g": 255,
    "b": 75
  },
  "hsl": {
    "h": 112,
    "s": 100,
    "l": 64.706
  },
  "oklch": {
    "l": 0.88337,
    "c": 0.25341,
    "h": 141.2
  },
  "luminance": 0.74681
}

Semantic roles & 50–950 ramp

primary
#63FF4B
secondary
#B424CA
accent
#00E6C7
background
#FDFFFC
surface
#F7FFF4
border
#D0D7CE
text
#10180C
muted
#81867F

Preview Lab

Preview with #63FF4B

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

Preview Lab → · Contrast checker → · Palette generator →

#63FF4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva