#99B421#99B421

#99B421 is a light, vivid yellow-green. Relative luminance 0.395; OKLCH L 72.5% C 0.163 H 120.3°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX#99B421
RGBrgb(153, 180, 33)
HSLhsl(71, 69%, 42%)
HSVhsv(71, 82%, 71%)
CMYKcmyk(15%, 0%, 81.7%, 29.4%)
CIE-LABlab(69.13, -27.52, 64.79)
CIE-LCHlch(69.13, 70.39, 113.01°)
OKLaboklab(72.45% -0.0822 0.1409)
OKLCHoklch(72.45% 0.163 120.3)
XYZxyz(29.7333, 39.5247, 7.5012)
Luminance0.3952 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99B421 #3C21B4
analogous
#B48521 #99B421 #50B421
triadic
#99B421 #2199B4 #B42199
tetradic
#99B421 #21B485 #3C21B4 #B42150
square
#99B421 #21B485 #3C21B4 #B42150
split-complementary
#99B421 #2150B4 #8521B4
monochromatic
#414D0E #6D8018 #99B421 #BDDA38 #CEE46B

Accessibility & contrast

On white

2.36
#99B421 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.90
#99B421 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B421
8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99B421#FFFFFF#000000##000000
##99B4211.002.368.908.90
#FFFFFF2.361.0021.0021.00
#0000008.9021.001.001.00
##0000008.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C0A900
Deuteranopia (green-blind)
#BDA931
Tritanopia (blue-blind)
#A2AA9A
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #99b421;
/* rgb */ color: rgb(153, 180, 33);
/* oklch */ color: oklch(72.5% 0.163 120.3);
Tailwind
colors: {
  custom: {
    50: '#bbca6b',
    500: '#99b421',
    950: '#000000',
  },
}
SCSS
$custom: #99b421;
$custom-light: #bbca6b;
$custom-dark: #000000;
JSON
{
  "hex": "#99b421",
  "rgb": {
    "r": 153,
    "g": 180,
    "b": 33
  },
  "hsl": {
    "h": 71.02,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.72451,
    "c": 0.16314,
    "h": 120.3
  },
  "luminance": 0.39525
}

Semantic roles & 50–950 ramp

primary
#99B421
secondary
#7967CA
accent
#3CEC5C
background
#FBFCF6
surface
#F7F8EC
border
#D0D1C7
text
#121307
muted
#81827A

Preview Lab

Preview with #99B421

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

Preview Lab → · Contrast checker → · Palette generator →

#99B421 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva