#99B340#99B340

#99B340 is a light, vivid yellow-green. Relative luminance 0.394; OKLCH L 72.4% C 0.143 H 121.0°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#99B340
RGB	rgb(153, 179, 64)
HSL	hsl(74, 47%, 48%)
HSV	hsv(74, 64%, 70%)
CMYK	cmyk(14.5%, 0%, 64.2%, 29.8%)
CIE-LAB	lab(69.03, -25.38, 53.85)
CIE-LCH	lch(69.03, 59.52, 115.23°)
OKLab	oklab(72.43% -0.0737 0.1228)
OKLCH	oklch(72.43% 0.143 121)
XYZ	xyz(30.1828, 39.3827, 10.8610)
Luminance	0.3938 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B340 #5A40B3

analogous

#B39340 #99B340 #60B340

triadic

#99B340 #4099B3 #B34099

tetradic

#99B340 #40B393 #5A40B3 #B34060

square

#99B340 #40B393 #5A40B3 #B34060

split-complementary

#99B340 #4060B3 #9340B3

monochromatic

#4C5920 #728630 #99B340 #B3C967 #C9D994

Accessibility & contrast

On white

2.37

#99B340 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#99B340 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B340

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B340	#FFFFFF	#000000	##000000
##99B340	1.00	2.37	8.88	8.88
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA931

Deuteranopia (green-blind)

#BAA948

Tritanopia (blue-blind)

#A1AA9B

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #99b340;
/* rgb */ color: rgb(153, 179, 64);
/* oklch */ color: oklch(72.4% 0.143 121.0);

Tailwind

colors: {
  custom: {
    50: '#bac97a',
    500: '#99b340',
    950: '#000000',
  },
}

SCSS

$custom: #99b340;
$custom-light: #bac97a;
$custom-dark: #000000;

JSON

{
  "hex": "#99b340",
  "rgb": {
    "r": 153,
    "g": 179,
    "b": 64
  },
  "hsl": {
    "h": 73.565,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.72429,
    "c": 0.14322,
    "h": 121
  },
  "luminance": 0.39383
}

Semantic roles & 50–950 ramp

primary

#99B340

secondary

#988AC4

accent

#51D76F

background

#FBFCF7

surface

#F6F8EE

border

#D0D1C9

text

#12130A

muted

#81827C

Preview Lab

Preview with #99B340

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

Preview Lab → · Contrast checker → · Palette generator →