#99D340#99D340

#99D340 is a light, vivid yellow-green. Relative luminance 0.537; OKLCH L 79.9% C 0.183 H 128.7°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#99D340
RGB	rgb(153, 211, 64)
HSL	hsl(84, 63%, 54%)
HSV	hsv(84, 70%, 83%)
CMYK	cmyk(27.5%, 0%, 69.7%, 17.3%)
CIE-LAB	lab(78.30, -40.23, 63.48)
CIE-LCH	lch(78.30, 75.15, 122.37°)
OKLab	oklab(79.93% -0.1146 0.1431)
OKLCH	oklch(79.93% 0.183 128.7)
XYZ	xyz(37.3565, 53.7301, 13.2523)
Luminance	0.5373 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D340 #7A40D3

analogous

#D3C340 #99D340 #50D340

triadic

#99D340 #4099D3 #D34099

tetradic

#99D340 #40D3C3 #7A40D3 #D34050

square

#99D340 #40D3C3 #7A40D3 #D34050

split-complementary

#99D340 #4050D3 #C340D3

monochromatic

#567C1D #79AE28 #99D340 #B4DE72 #CEEAA3

Accessibility & contrast

On white

1.79

#99D340 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#99D340 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D340

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D340	#FFFFFF	#000000	##000000
##99D340	1.00	1.79	11.75	11.75
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.75	21.00	1.00	1.00
##000000	11.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC428

Deuteranopia (green-blind)

#D5C04D

Tritanopia (blue-blind)

#9ECAB6

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #99d340;
/* rgb */ color: rgb(153, 211, 64);
/* oklch */ color: oklch(79.9% 0.183 128.7);

Tailwind

colors: {
  custom: {
    50: '#bbe07d',
    500: '#99d340',
    950: '#000000',
  },
}

SCSS

$custom: #99d340;
$custom-light: #bbe07d;
$custom-dark: #000000;

JSON

{
  "hex": "#99d340",
  "rgb": {
    "r": 153,
    "g": 211,
    "b": 64
  },
  "hsl": {
    "h": 83.673,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.79933,
    "c": 0.18331,
    "h": 128.7
  },
  "luminance": 0.53731
}

Semantic roles & 50–950 ramp

primary

#99D340

secondary

#533384

accent

#42E683

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99D340

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

Preview Lab → · Contrast checker → · Palette generator →