#99B728#99B728

#99B728 is a light, vivid yellow-green. Relative luminance 0.408; OKLCH L 73.2% C 0.163 H 121.3°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#99B728
RGB	rgb(153, 183, 40)
HSL	hsl(73, 64%, 44%)
HSV	hsv(73, 78%, 72%)
CMYK	cmyk(16.4%, 0%, 78.1%, 28.2%)
CIE-LAB	lab(70.03, -28.68, 63.61)
CIE-LCH	lch(70.03, 69.77, 114.27°)
OKLab	oklab(73.19% -0.0849 0.1396)
OKLCH	oklch(73.19% 0.163 121.3)
XYZ	xyz(30.4539, 40.7925, 8.2764)
Luminance	0.4079 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B728 #4628B7

analogous

#B78D28 #99B728 #51B728

triadic

#99B728 #2899B7 #B72899

tetradic

#99B728 #28B78D #4628B7 #B72851

square

#99B728 #28B78D #4628B7 #B72851

split-complementary

#99B728 #2851B7 #8D28B7

monochromatic

#455312 #6F851D #99B728 #B8D646 #CBE178

Accessibility & contrast

On white

2.29

#99B728 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#99B728 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B728

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B728	#FFFFFF	#000000	##000000
##99B728	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC00

Deuteranopia (green-blind)

#BFAB36

Tritanopia (blue-blind)

#A2AD9D

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #99b728;
/* rgb */ color: rgb(153, 183, 40);
/* oklch */ color: oklch(73.2% 0.163 121.3);

Tailwind

colors: {
  custom: {
    50: '#bbcc6e',
    500: '#99b728',
    950: '#000000',
  },
}

SCSS

$custom: #99b728;
$custom-light: #bbcc6e;
$custom-dark: #000000;

JSON

{
  "hex": "#99b728",
  "rgb": {
    "r": 153,
    "g": 183,
    "b": 40
  },
  "hsl": {
    "h": 72.587,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.73188,
    "c": 0.16336,
    "h": 121.3
  },
  "luminance": 0.40792
}

Semantic roles & 50–950 ramp

primary

#99B728

secondary

#8472C9

accent

#41E764

background

#FBFCF7

surface

#F7F8ED

border

#D0D1C8

text

#121308

muted

#81827B

Preview Lab

Preview with #99B728

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

Preview Lab → · Contrast checker → · Palette generator →