#99B428#99B428

#99B428 is a light, vivid yellow-green. Relative luminance 0.396; OKLCH L 72.5% C 0.160 H 120.4°. Best body text is #000000 at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#99B428
RGB	rgb(153, 180, 40)
HSL	hsl(72, 64%, 43%)
HSV	hsv(72, 78%, 71%)
CMYK	cmyk(15%, 0%, 77.8%, 29.4%)
CIE-LAB	lab(69.16, -27.24, 62.81)
CIE-LCH	lch(69.16, 68.46, 113.45°)
OKLab	oklab(72.49% -0.081 0.1379)
OKLCH	oklch(72.49% 0.16 120.4)
XYZ	xyz(29.8417, 39.5681, 8.0724)
Luminance	0.3957 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B428 #4328B4

analogous

#B48928 #99B428 #53B428

triadic

#99B428 #2899B4 #B42899

tetradic

#99B428 #28B489 #4328B4 #B42853

square

#99B428 #28B489 #4328B4 #B42853

split-complementary

#99B428 #2853B4 #8928B4

monochromatic

#445012 #6E821D #99B428 #B9D544 #CCE176

Accessibility & contrast

On white

2.36

#99B428 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.91

#99B428 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B428

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B428	#FFFFFF	#000000	##000000
##99B428	1.00	2.36	8.91	8.91
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.91	21.00	1.00	1.00
##000000	8.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0A900

Deuteranopia (green-blind)

#BCA936

Tritanopia (blue-blind)

#A2AA9A

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #99b428;
/* rgb */ color: rgb(153, 180, 40);
/* oklch */ color: oklch(72.5% 0.160 120.4);

Tailwind

colors: {
  custom: {
    50: '#bbca6e',
    500: '#99b428',
    950: '#000000',
  },
}

SCSS

$custom: #99b428;
$custom-light: #bbca6e;
$custom-dark: #000000;

JSON

{
  "hex": "#99b428",
  "rgb": {
    "r": 153,
    "g": 180,
    "b": 40
  },
  "hsl": {
    "h": 71.571,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.72486,
    "c": 0.15989,
    "h": 120.4
  },
  "luminance": 0.39568
}

Semantic roles & 50–950 ramp

primary

#99B428

secondary

#8170C8

accent

#41E761

background

#FBFCF7

surface

#F7F8ED

border

#D0D1C8

text

#121308

muted

#81827B

Preview Lab

Preview with #99B428

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

Preview Lab → · Contrast checker → · Palette generator →