#99D143#99D143

#99D143 is a light, vivid yellow-green. Relative luminance 0.528; OKLCH L 79.5% C 0.179 H 128.5°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#99D143
RGB	rgb(153, 209, 67)
HSL	hsl(84, 61%, 54%)
HSV	hsv(84, 68%, 82%)
CMYK	cmyk(26.8%, 0%, 67.9%, 18%)
CIE-LAB	lab(77.74, -39.15, 61.78)
CIE-LCH	lch(77.74, 73.14, 122.36°)
OKLab	oklab(79.48% -0.1114 0.1399)
OKLCH	oklch(79.48% 0.179 128.5)
XYZ	xyz(36.9504, 52.7776, 13.5494)
Luminance	0.5278 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D143 #7B43D1

analogous

#D1C243 #99D143 #52D143

triadic

#99D143 #4399D1 #D14399

tetradic

#99D143 #43D1C2 #7B43D1 #D14352

square

#99D143 #43D1C2 #7B43D1 #D14352

split-complementary

#99D143 #4352D1 #C243D1

monochromatic

#577B1E #79AD2A #99D143 #B4DD74 #CEE9A5

Accessibility & contrast

On white

1.82

#99D143 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.56

#99D143 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D143

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D143	#FFFFFF	#000000	##000000
##99D143	1.00	1.82	11.56	11.56
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.56	21.00	1.00	1.00
##000000	11.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC32E

Deuteranopia (green-blind)

#D3BF4F

Tritanopia (blue-blind)

#9EC8B5

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #99d143;
/* rgb */ color: rgb(153, 209, 67);
/* oklch */ color: oklch(79.5% 0.179 128.5);

Tailwind

colors: {
  custom: {
    50: '#bbdf7f',
    500: '#99d143',
    950: '#000000',
  },
}

SCSS

$custom: #99d143;
$custom-light: #bbdf7f;
$custom-dark: #000000;

JSON

{
  "hex": "#99d143",
  "rgb": {
    "r": 153,
    "g": 209,
    "b": 67
  },
  "hsl": {
    "h": 83.662,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.79484,
    "c": 0.17885,
    "h": 128.5
  },
  "luminance": 0.52778
}

Semantic roles & 50–950 ramp

primary

#99D143

secondary

#543583

accent

#44E483

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150B

muted

#82847E

Preview Lab

Preview with #99D143

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

Preview Lab → · Contrast checker → · Palette generator →