#99B533#99B533

#99B533 is a light, vivid yellow-green. Relative luminance 0.401; OKLCH L 72.8% C 0.155 H 121.1°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#99B533
RGB	rgb(153, 181, 51)
HSL	hsl(73, 56%, 45%)
HSV	hsv(73, 72%, 71%)
CMYK	cmyk(15.5%, 0%, 71.8%, 29%)
CIE-LAB	lab(69.51, -27.18, 59.45)
CIE-LCH	lch(69.51, 65.37, 114.57°)
OKLab	oklab(72.79% -0.0799 0.1326)
OKLCH	oklch(72.79% 0.155 121.1)
XYZ	xyz(30.2588, 40.0591, 9.2694)
Luminance	0.4006 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B533 #4F33B5

analogous

#B59033 #99B533 #58B533

triadic

#99B533 #3399B5 #B53399

tetradic

#99B533 #33B590 #4F33B5 #B53358

square

#99B533 #33B590 #4F33B5 #B53358

split-complementary

#99B533 #3358B5 #9033B5

monochromatic

#485618 #718526 #99B533 #B5CF56 #CADD86

Accessibility & contrast

On white

2.33

#99B533 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#99B533 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B533

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B533	#FFFFFF	#000000	##000000
##99B533	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA1C

Deuteranopia (green-blind)

#BDAA3E

Tritanopia (blue-blind)

#A1AC9C

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #99b533;
/* rgb */ color: rgb(153, 181, 51);
/* oklch */ color: oklch(72.8% 0.155 121.1);

Tailwind

colors: {
  custom: {
    50: '#bacb73',
    500: '#99b533',
    950: '#000000',
  },
}

SCSS

$custom: #99b533;
$custom-light: #bacb73;
$custom-dark: #000000;

JSON

{
  "hex": "#99b533",
  "rgb": {
    "r": 153,
    "g": 181,
    "b": 51
  },
  "hsl": {
    "h": 72.923,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.72789,
    "c": 0.15483,
    "h": 121.1
  },
  "luminance": 0.40059
}

Semantic roles & 50–950 ramp

primary

#99B533

secondary

#8D7DC6

accent

#48DF69

background

#FBFCF7

surface

#F7F8ED

border

#D0D1C8

text

#121309

muted

#81827B

Preview Lab

Preview with #99B533

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

Preview Lab → · Contrast checker → · Palette generator →