#63B427#63B427

#63B427 is a light, vivid yellow-green. Relative luminance 0.354; OKLCH L 69.2% C 0.187 H 135.4°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX#63B427
RGBrgb(99, 180, 39)
HSLhsl(94, 64%, 43%)
HSVhsv(94, 78%, 71%)
CMYKcmyk(45%, 0%, 78.3%, 29.4%)
CIE-LABlab(66.09, -47.62, 59.15)
CIE-LCHlch(66.09, 75.94, 128.84°)
OKLaboklab(69.18% -0.1331 0.1313)
OKLCHoklch(69.18% 0.187 135.4)
XYZxyz(21.8325, 35.4403, 7.6093)
Luminance0.3544 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B427 #7827B4
analogous
#A9B427 #63B427 #27B431
triadic
#63B427 #2763B4 #B42763
tetradic
#63B427 #27A9B4 #7827B4 #B43127
square
#63B427 #27A9B4 #7827B4 #B43127
split-complementary
#63B427 #3127B4 #B427A9
monochromatic
#2C4F11 #47821C #63B427 #81D642 #A3E174

Accessibility & contrast

On white

2.60
#63B427 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.09
#63B427 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B427
8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B427#FFFFFF#000000##000000
##63B4271.002.608.098.09
#FFFFFF2.601.0021.0021.00
#0000008.0921.001.001.00
##0000008.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBA500
Deuteranopia (green-blind)
#B09E37
Tritanopia (blue-blind)
#60AD9A
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #63b427;
/* rgb */ color: rgb(99, 180, 39);
/* oklch */ color: oklch(69.2% 0.187 135.4);
Tailwind
colors: {
  custom: {
    50: '#97cb6d',
    500: '#63b427',
    950: '#000000',
  },
}
SCSS
$custom: #63b427;
$custom-light: #97cb6d;
$custom-dark: #000000;
JSON
{
  "hex": "#63b427",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 39
  },
  "hsl": {
    "h": 94.468,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.69181,
    "c": 0.18698,
    "h": 135.4
  },
  "luminance": 0.35442
}

Semantic roles & 50–950 ramp

primary
#63B427
secondary
#A26FC8
accent
#40E7A0
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1308
muted
#7E827B

Preview Lab

Preview with #63B427

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

Preview Lab → · Contrast checker → · Palette generator →

#63B427 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva