#ADD33C#ADD33C

#ADD33C is a light, vivid yellow-green. Relative luminance 0.558; OKLCH L 81.2% C 0.177 H 122.8°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#ADD33C
RGB	rgb(173, 211, 60)
HSL	hsl(75, 63%, 53%)
HSV	hsv(75, 72%, 83%)
CMYK	cmyk(18%, 0%, 71.6%, 17.3%)
CIE-LAB	lab(79.50, -32.79, 66.51)
CIE-LCH	lch(79.50, 74.15, 116.24°)
OKLab	oklab(81.21% -0.0957 0.1484)
OKLCH	oklch(81.21% 0.177 122.8)
XYZ	xyz(41.3440, 55.7988, 12.8662)
Luminance	0.5580 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD33C #623CD3

analogous

#D3AD3C #ADD33C #61D33C

triadic

#ADD33C #3CADD3 #D33CAD

tetradic

#ADD33C #3CD3AD #623CD3 #D33C61

square

#ADD33C #3CD3AD #623CD3 #D33C61

split-complementary

#ADD33C #3C61D3 #AD3CD3

monochromatic

#62791B #8AAB27 #ADD33C #C2DE6E #D7EAA0

Accessibility & contrast

On white

1.73

#ADD33C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#ADD33C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD33C

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD33C	#FFFFFF	#000000	##000000
##ADD33C	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC620

Deuteranopia (green-blind)

#DAC549

Tritanopia (blue-blind)

#B6C8B6

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #add33c;
/* rgb */ color: rgb(173, 211, 60);
/* oklch */ color: oklch(81.2% 0.177 122.8);

Tailwind

colors: {
  custom: {
    50: '#c9e07b',
    500: '#add33c',
    950: '#000000',
  },
}

SCSS

$custom: #add33c;
$custom-light: #c9e07b;
$custom-dark: #000000;

JSON

{
  "hex": "#add33c",
  "rgb": {
    "r": 173,
    "g": 211,
    "b": 60
  },
  "hsl": {
    "h": 75.099,
    "s": 63.18,
    "l": 53.137
  },
  "oklch": {
    "l": 0.81209,
    "c": 0.17658,
    "h": 122.8
  },
  "luminance": 0.55799
}

Semantic roles & 50–950 ramp

primary

#ADD33C

secondary

#463281

accent

#42E66B

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD33C

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

Preview Lab → · Contrast checker → · Palette generator →