#63B318#63B318

#63B318 is a light, vivid yellow-green. Relative luminance 0.350; OKLCH L 68.9% C 0.192 H 134.5°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#63B318
RGBrgb(99, 179, 24)
HSLhsl(91, 76%, 40%)
HSVhsv(91, 87%, 70%)
CMYKcmyk(44.7%, 0%, 86.6%, 29.8%)
CIE-LABlab(65.72, -47.90, 62.79)
CIE-LCHlch(65.72, 78.98, 127.34°)
OKLaboklab(68.85% -0.1346 0.1368)
OKLCHoklch(68.85% 0.192 134.5)
XYZxyz(21.4301, 34.9575, 6.4823)
Luminance0.3496 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B318 #6818B3
analogous
#B0B318 #63B318 #18B31B
triadic
#63B318 #1863B3 #B31863
tetradic
#63B318 #18B0B3 #6818B3 #B31B18
square
#63B318 #18B0B3 #6818B3 #B31B18
split-complementary
#63B318 #1B18B3 #B318B0
monochromatic
#27470A #457D11 #63B318 #81E226 #A0E95C

Accessibility & contrast

On white

2.63
#63B318 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.99
#63B318 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B318
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B318#FFFFFF#000000##000000
##63B3181.002.637.997.99
#FFFFFF2.631.0021.0021.00
#0000007.9921.001.001.00
##0000007.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BAA400
Deuteranopia (green-blind)
#B09D2D
Tritanopia (blue-blind)
#61AC98
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #63b318;
/* rgb */ color: rgb(99, 179, 24);
/* oklch */ color: oklch(68.9% 0.192 134.5);
Tailwind
colors: {
  custom: {
    50: '#97ca67',
    500: '#63b318',
    950: '#000000',
  },
}
SCSS
$custom: #63b318;
$custom-light: #97ca67;
$custom-dark: #000000;
JSON
{
  "hex": "#63b318",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 24
  },
  "hsl": {
    "h": 90.968,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.68853,
    "c": 0.19197,
    "h": 134.5
  },
  "luminance": 0.34959
}

Semantic roles & 50–950 ramp

primary
#63B318
secondary
#955ACD
accent
#35F397
background
#F9FCF6
surface
#F2F8EB
border
#CCD1C6
text
#0E1307
muted
#7E827A

Preview Lab

Preview with #63B318

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

Preview Lab → · Contrast checker → · Palette generator →

#63B318 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva