#99B528#99B528

#99B528 is a light, vivid yellow-green. Relative luminance 0.400; OKLCH L 72.7% C 0.161 H 120.7°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#99B528
RGB	rgb(153, 181, 40)
HSL	hsl(72, 64%, 43%)
HSV	hsv(72, 78%, 71%)
CMYK	cmyk(15.5%, 0%, 77.9%, 29%)
CIE-LAB	lab(69.45, -27.72, 63.08)
CIE-LCH	lch(69.45, 68.90, 113.72°)
OKLab	oklab(72.72% -0.0823 0.1384)
OKLCH	oklch(72.72% 0.161 120.7)
XYZ	xyz(30.0443, 39.9733, 8.1399)
Luminance	0.3997 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B528 #4428B5

analogous

#B58A28 #99B528 #52B528

triadic

#99B528 #2899B5 #B52899

tetradic

#99B528 #28B58A #4428B5 #B52852

square

#99B528 #28B58A #4428B5 #B52852

split-complementary

#99B528 #2852B5 #8A28B5

monochromatic

#445112 #6F831D #99B528 #B9D644 #CCE177

Accessibility & contrast

On white

2.33

#99B528 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.99

#99B528 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B528

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B528	#FFFFFF	#000000	##000000
##99B528	1.00	2.33	8.99	8.99
#FFFFFF	2.33	1.00	21.00	21.00
#000000	8.99	21.00	1.00	1.00
##000000	8.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AA00

Deuteranopia (green-blind)

#BDAA36

Tritanopia (blue-blind)

#A2AB9B

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #99b528;
/* rgb */ color: rgb(153, 181, 40);
/* oklch */ color: oklch(72.7% 0.161 120.7);

Tailwind

colors: {
  custom: {
    50: '#bbcb6e',
    500: '#99b528',
    950: '#000000',
  },
}

SCSS

$custom: #99b528;
$custom-light: #bbcb6e;
$custom-dark: #000000;

JSON

{
  "hex": "#99b528",
  "rgb": {
    "r": 153,
    "g": 181,
    "b": 40
  },
  "hsl": {
    "h": 71.915,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.7272,
    "c": 0.16105,
    "h": 120.7
  },
  "luminance": 0.39973
}

Semantic roles & 50–950 ramp

primary

#99B528

secondary

#8270C8

accent

#41E762

background

#FBFCF7

surface

#F7F8ED

border

#D0D1C8

text

#121308

muted

#81827B

Preview Lab

Preview with #99B528

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

Preview Lab → · Contrast checker → · Palette generator →