#99B228#99B228

#99B228 is a light, vivid yellow-green. Relative luminance 0.388; OKLCH L 72.0% C 0.158 H 119.8°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#99B228
RGB	rgb(153, 178, 40)
HSL	hsl(71, 63%, 43%)
HSV	hsv(71, 78%, 70%)
CMYK	cmyk(14%, 0%, 77.5%, 30.2%)
CIE-LAB	lab(68.58, -26.27, 62.28)
CIE-LCH	lch(68.58, 67.59, 112.87°)
OKLab	oklab(72.02% -0.0783 0.1368)
OKLCH	oklch(72.02% 0.158 119.8)
XYZ	xyz(29.4409, 38.7664, 7.9388)
Luminance	0.3877 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B228 #4128B2

analogous

#B28628 #99B228 #54B228

triadic

#99B228 #2899B2 #B22899

tetradic

#99B228 #28B286 #4128B2 #B22854

square

#99B228 #28B286 #4128B2 #B22854

split-complementary

#99B228 #2854B2 #8628B2

monochromatic

#434E12 #6E801D #99B228 #BAD543 #CCE075

Accessibility & contrast

On white

2.40

#99B228 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#99B228 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B228

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B228	#FFFFFF	#000000	##000000
##99B228	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA700

Deuteranopia (green-blind)

#BBA835

Tritanopia (blue-blind)

#A2A898

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #99b228;
/* rgb */ color: rgb(153, 178, 40);
/* oklch */ color: oklch(72.0% 0.158 119.8);

Tailwind

colors: {
  custom: {
    50: '#bbc96e',
    500: '#99b228',
    950: '#000000',
  },
}

SCSS

$custom: #99b228;
$custom-light: #bbc96e;
$custom-dark: #000000;

JSON

{
  "hex": "#99b228",
  "rgb": {
    "r": 153,
    "g": 178,
    "b": 40
  },
  "hsl": {
    "h": 70.87,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.7202,
    "c": 0.15758,
    "h": 119.8
  },
  "luminance": 0.38766
}

Semantic roles & 50–950 ramp

primary

#99B228

secondary

#7F6FC7

accent

#41E65F

background

#FBFCF7

surface

#F7F8ED

border

#D0D1C8

text

#121308

muted

#81827B

Preview Lab

Preview with #99B228

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

Preview Lab → · Contrast checker → · Palette generator →