#99D33A#99D33A

#99D33A is a light, vivid yellow-green. Relative luminance 0.537; OKLCH L 79.9% C 0.187 H 128.4°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#99D33A
RGB	rgb(153, 211, 58)
HSL	hsl(83, 63%, 53%)
HSV	hsv(83, 73%, 83%)
CMYK	cmyk(27.5%, 0%, 72.5%, 17.3%)
CIE-LAB	lab(78.27, -40.60, 65.58)
CIE-LCH	lch(78.27, 77.13, 121.76°)
OKLab	oklab(79.89% -0.1161 0.1466)
OKLCH	oklch(79.89% 0.187 128.4)
XYZ	xyz(37.1948, 53.6654, 12.4010)
Luminance	0.5367 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D33A #743AD3

analogous

#D3C03A #99D33A #4DD33A

triadic

#99D33A #3A99D3 #D33A99

tetradic

#99D33A #3AD3C0 #743AD3 #D33A4D

square

#99D33A #3AD3C0 #743AD3 #D33A4D

split-complementary

#99D33A #3A4DD3 #C03AD3

monochromatic

#55781B #78AA26 #99D33A #B3DE6C #CDE99E

Accessibility & contrast

On white

1.79

#99D33A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.73

#99D33A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D33A

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D33A	#FFFFFF	#000000	##000000
##99D33A	1.00	1.79	11.73	11.73
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.73	21.00	1.00	1.00
##000000	11.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC41C

Deuteranopia (green-blind)

#D5C048

Tritanopia (blue-blind)

#9ECAB5

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #99d33a;
/* rgb */ color: rgb(153, 211, 58);
/* oklch */ color: oklch(79.9% 0.187 128.4);

Tailwind

colors: {
  custom: {
    50: '#bbe07a',
    500: '#99d33a',
    950: '#000000',
  },
}

SCSS

$custom: #99d33a;
$custom-light: #bbe07a;
$custom-dark: #000000;

JSON

{
  "hex": "#99d33a",
  "rgb": {
    "r": 153,
    "g": 211,
    "b": 58
  },
  "hsl": {
    "h": 82.745,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.7989,
    "c": 0.18699,
    "h": 128.4
  },
  "luminance": 0.53666
}

Semantic roles & 50–950 ramp

primary

#99D33A

secondary

#4F3180

accent

#41E780

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99D33A

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

Preview Lab → · Contrast checker → · Palette generator →