#99B128#99B128

#99B128 is a light, vivid yellow-green. Relative luminance 0.384; OKLCH L 71.8% C 0.156 H 119.5°. Best body text is #000000 at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#99B128
RGB	rgb(153, 177, 40)
HSL	hsl(71, 63%, 43%)
HSV	hsv(71, 77%, 69%)
CMYK	cmyk(13.6%, 0%, 77.4%, 30.6%)
CIE-LAB	lab(68.29, -25.79, 62.01)
CIE-LCH	lch(68.29, 67.16, 112.58°)
OKLab	oklab(71.79% -0.077 0.1362)
OKLCH	oklch(71.79% 0.156 119.5)
XYZ	xyz(29.2426, 38.3700, 7.8727)
Luminance	0.3837 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B128 #4028B1

analogous

#B18528 #99B128 #54B128

triadic

#99B128 #2899B1 #B12899

tetradic

#99B128 #28B185 #4028B1 #B12854

square

#99B128 #28B185 #4028B1 #B12854

split-complementary

#99B128 #2854B1 #8528B1

monochromatic

#434D11 #6E7F1D #99B128 #BBD442 #CDE074

Accessibility & contrast

On white

2.42

#99B128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.67

#99B128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B128

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B128	#FFFFFF	#000000	##000000
##99B128	1.00	2.42	8.67	8.67
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.67	21.00	1.00	1.00
##000000	8.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA700

Deuteranopia (green-blind)

#BAA735

Tritanopia (blue-blind)

#A2A798

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #99b128;
/* rgb */ color: rgb(153, 177, 40);
/* oklch */ color: oklch(71.8% 0.156 119.5);

Tailwind

colors: {
  custom: {
    50: '#bbc86e',
    500: '#99b128',
    950: '#000000',
  },
}

SCSS

$custom: #99b128;
$custom-light: #bbc86e;
$custom-dark: #000000;

JSON

{
  "hex": "#99b128",
  "rgb": {
    "r": 153,
    "g": 177,
    "b": 40
  },
  "hsl": {
    "h": 70.511,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.71786,
    "c": 0.15643,
    "h": 119.5
  },
  "luminance": 0.3837
}

Semantic roles & 50–950 ramp

primary

#99B128

secondary

#7E6EC7

accent

#42E65E

background

#FBFCF7

surface

#F7F8ED

border

#D0D1C8

text

#121308

muted

#81827B

Preview Lab

Preview with #99B128

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

Preview Lab → · Contrast checker → · Palette generator →