#99B833#99B833

#99B833 is a light, vivid yellow-green. Relative luminance 0.413; OKLCH L 73.5% C 0.158 H 122.0°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#99B833
RGB	rgb(153, 184, 51)
HSL	hsl(74, 57%, 46%)
HSV	hsv(74, 72%, 72%)
CMYK	cmyk(16.8%, 0%, 72.3%, 27.8%)
CIE-LAB	lab(70.38, -28.62, 60.30)
CIE-LCH	lch(70.38, 66.75, 115.39°)
OKLab	oklab(73.49% -0.0838 0.1344)
OKLCH	oklch(73.49% 0.158 122)
XYZ	xyz(30.8753, 41.2922, 9.4749)
Luminance	0.4129 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B833 #5233B8

analogous

#B89433 #99B833 #56B833

triadic

#99B833 #3399B8 #B83399

tetradic

#99B833 #33B894 #5233B8 #B83356

square

#99B833 #33B894 #5233B8 #B83356

split-complementary

#99B833 #3356B8 #9433B8

monochromatic

#495818 #718826 #99B833 #B4D158 #CADE88

Accessibility & contrast

On white

2.27

#99B833 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.26

#99B833 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B833

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B833	#FFFFFF	#000000	##000000
##99B833	1.00	2.27	9.26	9.26
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.26	21.00	1.00	1.00
##000000	9.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD1A

Deuteranopia (green-blind)

#BFAC3E

Tritanopia (blue-blind)

#A1AF9E

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #99b833;
/* rgb */ color: rgb(153, 184, 51);
/* oklch */ color: oklch(73.5% 0.158 122.0);

Tailwind

colors: {
  custom: {
    50: '#bacd74',
    500: '#99b833',
    950: '#000000',
  },
}

SCSS

$custom: #99b833;
$custom-light: #bacd74;
$custom-dark: #000000;

JSON

{
  "hex": "#99b833",
  "rgb": {
    "r": 153,
    "g": 184,
    "b": 51
  },
  "hsl": {
    "h": 73.985,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.73489,
    "c": 0.15843,
    "h": 122
  },
  "luminance": 0.41292
}

Semantic roles & 50–950 ramp

primary

#99B833

secondary

#907FC8

accent

#48E06B

background

#FBFCF7

surface

#F7F9ED

border

#D0D2C8

text

#121309

muted

#81827B

Preview Lab

Preview with #99B833

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

Preview Lab → · Contrast checker → · Palette generator →