#99C643#99C643

#99C643 is a light, vivid yellow-green. Relative luminance 0.476; OKLCH L 76.9% C 0.165 H 126.3°. Best body text is #000000 at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#99C643
RGB	rgb(153, 198, 67)
HSL	hsl(81, 53%, 52%)
HSV	hsv(81, 66%, 78%)
CMYK	cmyk(22.7%, 0%, 66.2%, 22.4%)
CIE-LAB	lab(74.55, -34.17, 58.45)
CIE-LCH	lch(74.55, 67.71, 120.31°)
OKLab	oklab(76.9% -0.0977 0.1329)
OKLCH	oklch(76.9% 0.165 126.3)
XYZ	xyz(34.3442, 47.5652, 12.6807)
Luminance	0.4757 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C643 #7043C6

analogous

#C6B243 #99C643 #58C643

triadic

#99C643 #4399C6 #C64399

tetradic

#99C643 #43C6B2 #7043C6 #C64358

square

#99C643 #43C6B2 #7043C6 #C64358

split-complementary

#99C643 #4358C6 #B243C6

monochromatic

#536D21 #779C2F #99C643 #B2D472 #CCE2A1

Accessibility & contrast

On white

2.00

#99C643 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.51

#99C643 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C643

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C643	#FFFFFF	#000000	##000000
##99C643	1.00	2.00	10.51	10.51
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.51	21.00	1.00	1.00
##000000	10.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B931

Deuteranopia (green-blind)

#CAB74D

Tritanopia (blue-blind)

#9FBDAB

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #99c643;
/* rgb */ color: rgb(153, 198, 67);
/* oklch */ color: oklch(76.9% 0.165 126.3);

Tailwind

colors: {
  custom: {
    50: '#bad77e',
    500: '#99c643',
    950: '#000000',
  },
}

SCSS

$custom: #99c643;
$custom-light: #bad77e;
$custom-dark: #000000;

JSON

{
  "hex": "#99c643",
  "rgb": {
    "r": 153,
    "g": 198,
    "b": 67
  },
  "hsl": {
    "h": 80.611,
    "s": 53.469,
    "l": 51.961
  },
  "oklch": {
    "l": 0.76895,
    "c": 0.16499,
    "h": 126.3
  },
  "luminance": 0.47566
}

Semantic roles & 50–950 ramp

primary

#99C643

secondary

#A996CF

accent

#4BDD7D

background

#FBFDF7

surface

#F7FAEE

border

#D0D3C9

text

#12140A

muted

#81837C

Preview Lab

Preview with #99C643

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

Preview Lab → · Contrast checker → · Palette generator →