#63C231#63C231

#63C231 is a light, vivid yellow-green. Relative luminance 0.415; OKLCH L 72.8% C 0.198 H 137.2°. Best body text is #000000 at 9.29:1 contrast (WCAG AA passes).

Color values

HEX#63C231
RGBrgb(99, 194, 49)
HSLhsl(99, 60%, 48%)
HSVhsv(99, 75%, 76%)
CMYKcmyk(49%, 0%, 74.7%, 23.9%)
CIE-LABlab(70.49, -52.50, 60.14)
CIE-LCHlch(70.49, 79.83, 131.12°)
OKLaboklab(72.82% -0.1456 0.1348)
OKLCHoklch(72.82% 0.198 137.2)
XYZxyz(24.9910, 41.4562, 9.5901)
Luminance0.4146 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C231 #9031C2
analogous
#ACC231 #63C231 #31C247
triadic
#63C231 #3163C2 #C23163
tetradic
#63C231 #31ACC2 #9031C2 #C24731
square
#63C231 #31ACC2 #9031C2 #C24731
split-complementary
#63C231 #4731C2 #C231AC
monochromatic
#316018 #4A9125 #63C231 #85D65B #A9E28C

Accessibility & contrast

On white

2.26
#63C231 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.29
#63C231 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C231
9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C231#FFFFFF#000000##000000
##63C2311.002.269.299.29
#FFFFFF2.261.0021.0021.00
#0000009.2921.001.001.00
##0000009.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#C8B112
Deuteranopia (green-blind)
#BCA940
Tritanopia (blue-blind)
#5DBBA6
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #63c231;
/* rgb */ color: rgb(99, 194, 49);
/* oklch */ color: oklch(72.8% 0.198 137.2);
Tailwind
colors: {
  custom: {
    50: '#98d573',
    500: '#63c231',
    950: '#000000',
  },
}
SCSS
$custom: #63c231;
$custom-light: #98d573;
$custom-dark: #000000;
JSON
{
  "hex": "#63c231",
  "rgb": {
    "r": 99,
    "g": 194,
    "b": 49
  },
  "hsl": {
    "h": 99.31,
    "s": 59.671,
    "l": 47.647
  },
  "oklch": {
    "l": 0.72817,
    "c": 0.19845,
    "h": 137.2
  },
  "luminance": 0.41458
}

Semantic roles & 50–950 ramp

primary
#63C231
secondary
#B383CC
accent
#45E3AC
background
#F9FDF7
surface
#F2FAED
border
#CCD3C8
text
#0F1409
muted
#7E837B

Preview Lab

Preview with #63C231

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

Preview Lab → · Contrast checker → · Palette generator →

#63C231 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva