#99C63B#99C63B

#99C63B is a light, vivid yellow-green. Relative luminance 0.475; OKLCH L 76.8% C 0.170 H 125.9°. Best body text is #000000 at 10.50:1 contrast (WCAG AA passes).

Color values

HEX#99C63B
RGBrgb(153, 198, 59)
HSLhsl(79, 55%, 50%)
HSVhsv(79, 70%, 78%)
CMYKcmyk(22.7%, 0%, 70.2%, 22.4%)
CIE-LABlab(74.49, -34.70, 61.48)
CIE-LCHlch(74.49, 70.59, 119.44°)
OKLaboklab(76.83% -0.0999 0.1381)
OKLCHoklch(76.83% 0.17 125.9)
XYZxyz(34.1205, 47.4758, 11.5029)
Luminance0.4748 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99C63B #683BC6
analogous
#C6AD3B #99C63B #54C63B
triadic
#99C63B #3B99C6 #C63B99
tetradic
#99C63B #3BC6AD #683BC6 #C63B54
square
#99C63B #3BC6AD #683BC6 #C63B54
split-complementary
#99C63B #3B54C6 #AD3BC6
monochromatic
#50681E #75982C #99C63B #B2D46A #CAE29A

Accessibility & contrast

On white

2.00
#99C63B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.50
#99C63B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C63B
10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99C63B#FFFFFF#000000##000000
##99C63B1.002.0010.5010.50
#FFFFFF2.001.0021.0021.00
#00000010.5021.001.001.00
##00000010.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0B924
Deuteranopia (green-blind)
#CAB747
Tritanopia (blue-blind)
#9FBDAB
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #99c63b;
/* rgb */ color: rgb(153, 198, 59);
/* oklch */ color: oklch(76.8% 0.170 125.9);
Tailwind
colors: {
  custom: {
    50: '#bbd779',
    500: '#99c63b',
    950: '#000000',
  },
}
SCSS
$custom: #99c63b;
$custom-light: #bbd779;
$custom-dark: #000000;
JSON
{
  "hex": "#99c63b",
  "rgb": {
    "r": 153,
    "g": 198,
    "b": 59
  },
  "hsl": {
    "h": 79.424,
    "s": 54.941,
    "l": 50.392
  },
  "oklch": {
    "l": 0.76831,
    "c": 0.17046,
    "h": 125.9
  },
  "luminance": 0.47476
}

Semantic roles & 50–950 ramp

primary
#99C63B
secondary
#A38FCD
accent
#4ADE7A
background
#FBFDF7
surface
#F7FAEE
border
#D0D3C9
text
#12140A
muted
#81837C

Preview Lab

Preview with #99C63B

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

Preview Lab → · Contrast checker → · Palette generator →

#99C63B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva