#63FF4E#63FF4E

#63FF4E is a very light, highly saturated green. Relative luminance 0.747; OKLCH L 88.4% C 0.252 H 141.4°. Best body text is #000000 at 15.94:1 contrast (WCAG AA passes).

Color values

HEX#63FF4E
RGBrgb(99, 255, 78)
HSLhsl(113, 100%, 65%)
HSVhsv(113, 69%, 100%)
CMYKcmyk(61.2%, 0%, 69.4%, 0%)
CIE-LABlab(89.26, -72.03, 68.94)
CIE-LCHlch(89.26, 99.71, 136.26°)
OKLaboklab(88.36% -0.1967 0.157)
OKLCHoklch(88.36% 0.252 141.4)
XYZxyz(42.2786, 74.7186, 19.4004)
Luminance0.7472 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63FF4E #EA4EFF
analogous
#BCFF4E #63FF4E #4EFF91
triadic
#63FF4E #4E63FF #FF4E63
tetradic
#63FF4E #4EBCFF #EA4EFF #FF914E
square
#63FF4E #4EBCFF #EA4EFF #FF914E
split-complementary
#63FF4E #914EFF #FF4EBC
monochromatic
#19D300 #2DFF11 #63FF4E #99FF8B #CFFFC8

Accessibility & contrast

On white

1.32
#63FF4E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.94
#63FF4E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63FF4E
15.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63FF4E#FFFFFF#000000##000000
##63FF4E1.001.3215.9415.94
#FFFFFF1.321.0021.0021.00
#00000015.9421.001.001.00
##00000015.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE832
Deuteranopia (green-blind)
#F2DB5F
Tritanopia (blue-blind)
#49F7DC
Achromatopsia (no color)
#E0E0E0

Design tokens & code

CSS
--color: #63ff4e;
/* rgb */ color: rgb(99, 255, 78);
/* oklch */ color: oklch(88.4% 0.252 141.4);
Tailwind
colors: {
  custom: {
    50: '#a0ff89',
    500: '#63ff4e',
    950: '#000000',
  },
}
SCSS
$custom: #63ff4e;
$custom-light: #a0ff89;
$custom-dark: #000000;
JSON
{
  "hex": "#63ff4e",
  "rgb": {
    "r": 99,
    "g": 255,
    "b": 78
  },
  "hsl": {
    "h": 112.881,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.8836,
    "c": 0.25165,
    "h": 141.4
  },
  "luminance": 0.74723
}

Semantic roles & 50–950 ramp

primary
#63FF4E
secondary
#B924CD
accent
#00E6CA
background
#FDFFFC
surface
#F7FFF4
border
#D0D7CE
text
#10180C
muted
#81867F

Preview Lab

Preview with #63FF4E

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

Preview Lab → · Contrast checker → · Palette generator →

#63FF4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva