#99B928#99B928

#99B928 is a light, vivid yellow-green. Relative luminance 0.416; OKLCH L 73.7% C 0.166 H 121.9°. Best body text is #000000 at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#99B928
RGB	rgb(153, 185, 40)
HSL	hsl(73, 64%, 44%)
HSV	hsv(73, 78%, 73%)
CMYK	cmyk(17.3%, 0%, 78.4%, 27.5%)
CIE-LAB	lab(70.61, -29.63, 64.14)
CIE-LCH	lch(70.61, 70.65, 114.80°)
OKLab	oklab(73.66% -0.0875 0.1407)
OKLCH	oklch(73.66% 0.166 121.9)
XYZ	xyz(30.8693, 41.6234, 8.4149)
Luminance	0.4162 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B928 #4828B9

analogous

#B99128 #99B928 #51B928

triadic

#99B928 #2899B9 #B92899

tetradic

#99B928 #28B991 #4828B9 #B92851

square

#99B928 #28B991 #4828B9 #B92851

split-complementary

#99B928 #2851B9 #9128B9

monochromatic

#465412 #6F871D #99B928 #B7D747 #CBE279

Accessibility & contrast

On white

2.25

#99B928 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.32

#99B928 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B928

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B928	#FFFFFF	#000000	##000000
##99B928	1.00	2.25	9.32	9.32
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.32	21.00	1.00	1.00
##000000	9.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AD00

Deuteranopia (green-blind)

#C0AD37

Tritanopia (blue-blind)

#A2AF9E

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #99b928;
/* rgb */ color: rgb(153, 185, 40);
/* oklch */ color: oklch(73.7% 0.166 121.9);

Tailwind

colors: {
  custom: {
    50: '#bbce6f',
    500: '#99b928',
    950: '#000000',
  },
}

SCSS

$custom: #99b928;
$custom-light: #bbce6f;
$custom-dark: #000000;

JSON

{
  "hex": "#99b928",
  "rgb": {
    "r": 153,
    "g": 185,
    "b": 40
  },
  "hsl": {
    "h": 73.241,
    "s": 64.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.73656,
    "c": 0.16568,
    "h": 121.9
  },
  "luminance": 0.41623
}

Semantic roles & 50–950 ramp

primary

#99B928

secondary

#8673CA

accent

#40E765

background

#FBFCF7

surface

#F7F9ED

border

#D0D2C8

text

#121308

muted

#81827B

Preview Lab

Preview with #99B928

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

Preview Lab → · Contrast checker → · Palette generator →