#99B531#99B531

#99B531 is a light, vivid yellow-green. Relative luminance 0.400; OKLCH L 72.8% C 0.156 H 121.0°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX#99B531
RGBrgb(153, 181, 49)
HSLhsl(73, 57%, 45%)
HSVhsv(73, 73%, 71%)
CMYKcmyk(15.5%, 0%, 72.9%, 29%)
CIE-LABlab(69.50, -27.29, 60.16)
CIE-LCHlch(69.50, 66.05, 114.40°)
OKLaboklab(72.78% -0.0804 0.1338)
OKLCHoklch(72.78% 0.156 121)
XYZxyz(30.2156, 40.0418, 9.0422)
Luminance0.4004 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99B531 #4D31B5
analogous
#B58F31 #99B531 #57B531
triadic
#99B531 #3199B5 #B53199
tetradic
#99B531 #31B58F #4D31B5 #B53157
square
#99B531 #31B58F #4D31B5 #B53157
split-complementary
#99B531 #3157B5 #8F31B5
monochromatic
#485517 #708524 #99B531 #B6D053 #CADD83

Accessibility & contrast

On white

2.33
#99B531 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.01
#99B531 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B531
9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99B531#FFFFFF#000000##000000
##99B5311.002.339.019.01
#FFFFFF2.331.0021.0021.00
#0000009.0121.001.001.00
##0000009.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C0AA17
Deuteranopia (green-blind)
#BDAA3C
Tritanopia (blue-blind)
#A2AB9C
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #99b531;
/* rgb */ color: rgb(153, 181, 49);
/* oklch */ color: oklch(72.8% 0.156 121.0);
Tailwind
colors: {
  custom: {
    50: '#bacb72',
    500: '#99b531',
    950: '#000000',
  },
}
SCSS
$custom: #99b531;
$custom-light: #bacb72;
$custom-dark: #000000;
JSON
{
  "hex": "#99b531",
  "rgb": {
    "r": 153,
    "g": 181,
    "b": 49
  },
  "hsl": {
    "h": 72.727,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.72775,
    "c": 0.15607,
    "h": 121
  },
  "luminance": 0.40042
}

Semantic roles & 50–950 ramp

primary
#99B531
secondary
#8B7BC7
accent
#47E168
background
#FBFCF7
surface
#F7F8ED
border
#D0D1C8
text
#121308
muted
#81827B

Preview Lab

Preview with #99B531

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

Preview Lab → · Contrast checker → · Palette generator →

#99B531 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva