#99B923#99B923

#99B923 is a light, vivid yellow-green. Relative luminance 0.416; OKLCH L 73.6% C 0.168 H 121.8°. Best body text is #000000 at 9.32:1 contrast (WCAG AA passes).

Color values

HEX#99B923
RGBrgb(153, 185, 35)
HSLhsl(73, 68%, 43%)
HSVhsv(73, 81%, 73%)
CMYKcmyk(17.3%, 0%, 81.1%, 27.5%)
CIE-LABlab(70.59, -29.83, 65.54)
CIE-LCHlch(70.59, 72.01, 114.47°)
OKLaboklab(73.63% -0.0884 0.1428)
OKLCHoklch(73.63% 0.168 121.8)
XYZxyz(30.7897, 41.5915, 7.9957)
Luminance0.4159 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99B923 #4323B9
analogous
#B98E23 #99B923 #4EB923
triadic
#99B923 #2399B9 #B92399
tetradic
#99B923 #23B98E #4323B9 #B9234E
square
#99B923 #23B98E #4323B9 #B9234E
split-complementary
#99B923 #234EB9 #8E23B9
monochromatic
#445210 #6E8619 #99B923 #B9DB3F #CCE472

Accessibility & contrast

On white

2.25
#99B923 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.32
#99B923 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B923
9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99B923#FFFFFF#000000##000000
##99B9231.002.259.329.32
#FFFFFF2.251.0021.0021.00
#0000009.3221.001.001.00
##0000009.3221.001.001.00

Color blindness preview

Protanopia (red-blind)
#C5AD00
Deuteranopia (green-blind)
#C1AD33
Tritanopia (blue-blind)
#A2AF9E
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #99b923;
/* rgb */ color: rgb(153, 185, 35);
/* oklch */ color: oklch(73.6% 0.168 121.8);
Tailwind
colors: {
  custom: {
    50: '#bbce6d',
    500: '#99b923',
    950: '#000000',
  },
}
SCSS
$custom: #99b923;
$custom-light: #bbce6d;
$custom-dark: #000000;
JSON
{
  "hex": "#99b923",
  "rgb": {
    "r": 153,
    "g": 185,
    "b": 35
  },
  "hsl": {
    "h": 72.8,
    "s": 68.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.73632,
    "c": 0.16798,
    "h": 121.8
  },
  "luminance": 0.41592
}

Semantic roles & 50–950 ramp

primary
#99B923
secondary
#816DCB
accent
#3DEB62
background
#FBFCF6
surface
#F7F9EC
border
#D0D2C7
text
#121308
muted
#81827B

Preview Lab

Preview with #99B923

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

Preview Lab → · Contrast checker → · Palette generator →

#99B923 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva