#63C02B#63C02B

#63C02B is a light, vivid yellow-green. Relative luminance 0.405; OKLCH L 72.3% C 0.199 H 136.7°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX#63C02B
RGBrgb(99, 192, 43)
HSLhsl(97, 63%, 46%)
HSVhsv(97, 78%, 75%)
CMYKcmyk(48.4%, 0%, 77.6%, 24.7%)
CIE-LABlab(69.84, -52.10, 61.47)
CIE-LCHlch(69.84, 80.58, 130.28°)
OKLaboklab(72.27% -0.1449 0.1368)
OKLCHoklch(72.27% 0.199 136.7)
XYZxyz(24.4306, 40.5247, 8.8197)
Luminance0.4053 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63C02B #882BC0
analogous
#ADC02B #63C02B #2BC03E
triadic
#63C02B #2B63C0 #C02B63
tetradic
#63C02B #2BADC0 #882BC0 #C03E2B
square
#63C02B #2BADC0 #882BC0 #C03E2B
split-complementary
#63C02B #3E2BC0 #C02BAD
monochromatic
#2F5C15 #498E20 #63C02B #83D850 #A7E382

Accessibility & contrast

On white

2.31
#63C02B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.11
#63C02B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C02B
9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63C02B#FFFFFF#000000##000000
##63C02B1.002.319.119.11
#FFFFFF2.311.0021.0021.00
#0000009.1121.001.001.00
##0000009.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C7AF00
Deuteranopia (green-blind)
#BBA83C
Tritanopia (blue-blind)
#5EB9A4
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #63c02b;
/* rgb */ color: rgb(99, 192, 43);
/* oklch */ color: oklch(72.3% 0.199 136.7);
Tailwind
colors: {
  custom: {
    50: '#98d470',
    500: '#63c02b',
    950: '#000000',
  },
}
SCSS
$custom: #63c02b;
$custom-light: #98d470;
$custom-dark: #000000;
JSON
{
  "hex": "#63c02b",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 43
  },
  "hsl": {
    "h": 97.45,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.7227,
    "c": 0.19924,
    "h": 136.7
  },
  "luminance": 0.40526
}

Semantic roles & 50–950 ramp

primary
#63C02B
secondary
#AD7BCC
accent
#41E6A8
background
#F9FDF7
surface
#F2FAED
border
#CCD3C8
text
#0F1408
muted
#7E837B

Preview Lab

Preview with #63C02B

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

Preview Lab → · Contrast checker → · Palette generator →

#63C02B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva