#99AD28#99AD28

#99AD28 is a light, vivid yellow. Relative luminance 0.368; OKLCH L 70.9% C 0.152 H 118.1°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX#99AD28
RGBrgb(153, 173, 40)
HSLhsl(69, 62%, 42%)
HSVhsv(69, 77%, 68%)
CMYKcmyk(11.6%, 0%, 76.9%, 32.2%)
CIE-LABlab(67.14, -23.83, 60.94)
CIE-LCHlch(67.14, 65.44, 111.35°)
OKLaboklab(70.86% -0.0716 0.1339)
OKLCHoklch(70.86% 0.152 118.1)
XYZxyz(28.4641, 36.8129, 7.6132)
Luminance0.3681 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#99AD28 #3C28AD
analogous
#AD7F28 #99AD28 #56AD28
triadic
#99AD28 #2899AD #AD2899
tetradic
#99AD28 #28AD7F #3C28AD #AD2856
square
#99AD28 #28AD7F #3C28AD #AD2856
split-complementary
#99AD28 #2856AD #7F28AD
monochromatic
#414A11 #6D7B1D #99AD28 #BDD33F #CEDE71

Accessibility & contrast

On white

2.51
#99AD28 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.36
#99AD28 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99AD28
8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##99AD28#FFFFFF#000000##000000
##99AD281.002.518.368.36
#FFFFFF2.511.0021.0021.00
#0000008.3621.001.001.00
##0000008.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B9A303
Deuteranopia (green-blind)
#B7A434
Tritanopia (blue-blind)
#A3A394
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #99ad28;
/* rgb */ color: rgb(153, 173, 40);
/* oklch */ color: oklch(70.9% 0.152 118.1);
Tailwind
colors: {
  custom: {
    50: '#bbc56d',
    500: '#99ad28',
    950: '#000000',
  },
}
SCSS
$custom: #99ad28;
$custom-light: #bbc56d;
$custom-dark: #000000;
JSON
{
  "hex": "#99ad28",
  "rgb": {
    "r": 153,
    "g": 173,
    "b": 40
  },
  "hsl": {
    "h": 69.023,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.70856,
    "c": 0.15185,
    "h": 118.1
  },
  "luminance": 0.36813
}

Semantic roles & 50–950 ramp

primary
#99AD28
secondary
#796CC5
accent
#42E65B
background
#FBFCF6
surface
#F7F8EC
border
#D0D1C7
text
#121208
muted
#81817B

Preview Lab

Preview with #99AD28

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

Preview Lab → · Contrast checker → · Palette generator →

#99AD28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva