#99CF42#99CF42

#99CF42 is a light, vivid yellow-green. Relative luminance 0.518; OKLCH L 79.0% C 0.177 H 128.1°. Best body text is #000000 at 11.36:1 contrast (WCAG AA passes).

Color values

HEX#99CF42
RGBrgb(153, 207, 66)
HSLhsl(83, 59%, 54%)
HSVhsv(83, 68%, 81%)
CMYKcmyk(26.1%, 0%, 68.1%, 18.8%)
CIE-LABlab(77.16, -38.32, 61.55)
CIE-LCHlch(77.16, 72.51, 121.91°)
OKLaboklab(79.01% -0.1092 0.1393)
OKLCHoklch(79.01% 0.177 128.1)
XYZxyz(36.4330, 51.7905, 13.2303)
Luminance0.5179 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99CF42 #7842CF
analogous
#CFBF42 #99CF42 #52CF42
triadic
#99CF42 #4299CF #CF4299
tetradic
#99CF42 #42CFBF #7842CF #CF4252
square
#99CF42 #42CFBF #7842CF #CF4252
split-complementary
#99CF42 #4252CF #BF42CF
monochromatic
#56781F #79A92B #99CF42 #B3DB73 #CEE8A4

Accessibility & contrast

On white

1.85
#99CF42 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.36
#99CF42 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CF42
11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99CF42#FFFFFF#000000##000000
##99CF421.001.8511.3611.36
#FFFFFF1.851.0021.0021.00
#00000011.3621.001.001.00
##00000011.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9C12D
Deuteranopia (green-blind)
#D2BD4E
Tritanopia (blue-blind)
#9EC6B3
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #99cf42;
/* rgb */ color: rgb(153, 207, 66);
/* oklch */ color: oklch(79.0% 0.177 128.1);
Tailwind
colors: {
  custom: {
    50: '#bbde7e',
    500: '#99cf42',
    950: '#000000',
  },
}
SCSS
$custom: #99cf42;
$custom-light: #bbde7e;
$custom-dark: #000000;
JSON
{
  "hex": "#99cf42",
  "rgb": {
    "r": 153,
    "g": 207,
    "b": 66
  },
  "hsl": {
    "h": 82.979,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.79005,
    "c": 0.17702,
    "h": 128.1
  },
  "luminance": 0.51791
}

Semantic roles & 50–950 ramp

primary
#99CF42
secondary
#523580
accent
#45E381
background
#FDFEFB
surface
#F9FCF2
border
#D2D5CC
text
#12150A
muted
#82847D

Preview Lab

Preview with #99CF42

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

Preview Lab → · Contrast checker → · Palette generator →

#99CF42 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva