#99D033#99D033

#99D033 is a light, vivid yellow-green. Relative luminance 0.521; OKLCH L 79.1% C 0.187 H 127.5°. Best body text is #000000 at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#99D033
RGB	rgb(153, 208, 51)
HSL	hsl(81, 63%, 51%)
HSV	hsv(81, 75%, 82%)
CMYK	cmyk(26.4%, 0%, 75.5%, 18.4%)
CIE-LAB	lab(77.35, -39.65, 67.02)
CIE-LCH	lch(77.35, 77.88, 120.61°)
OKLab	oklab(79.14% -0.114 0.1485)
OKLCH	oklch(79.14% 0.187 127.5)
XYZ	xyz(36.2904, 52.1223, 11.2800)
Luminance	0.5212 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D033 #6A33D0

analogous

#D0B833 #99D033 #4AD033

triadic

#99D033 #3399D0 #D03399

tetradic

#99D033 #33D0B8 #6A33D0 #D0334A

square

#99D033 #33D0B8 #6A33D0 #D0334A

split-complementary

#99D033 #334AD0 #B833D0

monochromatic

#516F1A #75A125 #99D033 #B2DB65 #CBE796

Accessibility & contrast

On white

1.84

#99D033 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.42

#99D033 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D033

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D033	#FFFFFF	#000000	##000000
##99D033	1.00	1.84	11.42	11.42
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.42	21.00	1.00	1.00
##000000	11.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC10B

Deuteranopia (green-blind)

#D3BE43

Tritanopia (blue-blind)

#9FC6B2

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #99d033;
/* rgb */ color: rgb(153, 208, 51);
/* oklch */ color: oklch(79.1% 0.187 127.5);

Tailwind

colors: {
  custom: {
    50: '#bbde76',
    500: '#99d033',
    950: '#000000',
  },
}

SCSS

$custom: #99d033;
$custom-light: #bbde76;
$custom-dark: #000000;

JSON

{
  "hex": "#99d033",
  "rgb": {
    "r": 153,
    "g": 208,
    "b": 51
  },
  "hsl": {
    "h": 81.019,
    "s": 62.55,
    "l": 50.784
  },
  "oklch": {
    "l": 0.79136,
    "c": 0.18727,
    "h": 127.5
  },
  "luminance": 0.52123
}

Semantic roles & 50–950 ramp

primary

#99D033

secondary

#492F78

accent

#42E67B

background

#FDFEFB

surface

#F9FCF1

border

#D2D5CB

text

#121509

muted

#82847D

Preview Lab

Preview with #99D033

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

Preview Lab → · Contrast checker → · Palette generator →