#99B643#99B643

#99B643 is a light, vivid yellow-green. Relative luminance 0.406; OKLCH L 73.2% C 0.145 H 122.1°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#99B643
RGB	rgb(153, 182, 67)
HSL	hsl(75, 46%, 49%)
HSV	hsv(75, 63%, 71%)
CMYK	cmyk(15.9%, 0%, 63.2%, 28.6%)
CIE-LAB	lab(69.92, -26.61, 53.53)
CIE-LCH	lch(69.92, 59.78, 116.44°)
OKLab	oklab(73.15% -0.0768 0.1225)
OKLCH	oklch(73.15% 0.145 122.1)
XYZ	xyz(30.8783, 40.6334, 11.5254)
Luminance	0.4063 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B643 #6043B6

analogous

#B69A43 #99B643 #60B643

triadic

#99B643 #4399B6 #B64399

tetradic

#99B643 #43B69A #6043B6 #B64360

square

#99B643 #43B69A #6043B6 #B64360

split-complementary

#99B643 #4360B6 #9A43B6

monochromatic

#4E5D22 #738933 #99B643 #B2C96D #CADA9A

Accessibility & contrast

On white

2.30

#99B643 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#99B643 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B643

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B643	#FFFFFF	#000000	##000000
##99B643	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AB35

Deuteranopia (green-blind)

#BDAB4B

Tritanopia (blue-blind)

#A1AD9E

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #99b643;
/* rgb */ color: rgb(153, 182, 67);
/* oklch */ color: oklch(73.2% 0.145 122.1);

Tailwind

colors: {
  custom: {
    50: '#bacc7c',
    500: '#99b643',
    950: '#000000',
  },
}

SCSS

$custom: #99b643;
$custom-light: #bacc7c;
$custom-dark: #000000;

JSON

{
  "hex": "#99b643",
  "rgb": {
    "r": 153,
    "g": 182,
    "b": 67
  },
  "hsl": {
    "h": 75.13,
    "s": 46.185,
    "l": 48.824
  },
  "oklch": {
    "l": 0.73154,
    "c": 0.14464,
    "h": 122.1
  },
  "luminance": 0.40633
}

Semantic roles & 50–950 ramp

primary

#99B643

secondary

#9D8FC6

accent

#52D673

background

#FBFCF7

surface

#F6F8EE

border

#D0D1C9

text

#12130A

muted

#81827C

Preview Lab

Preview with #99B643

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

Preview Lab → · Contrast checker → · Palette generator →