#ADD33D#ADD33D

#ADD33D is a light, vivid yellow-green. Relative luminance 0.558; OKLCH L 81.2% C 0.176 H 122.9°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#ADD33D
RGB	rgb(173, 211, 61)
HSL	hsl(75, 63%, 53%)
HSV	hsv(75, 71%, 83%)
CMYK	cmyk(18%, 0%, 71.1%, 17.3%)
CIE-LAB	lab(79.51, -32.73, 66.16)
CIE-LCH	lch(79.51, 73.82, 116.32°)
OKLab	oklab(81.22% -0.0955 0.1478)
OKLCH	oklch(81.22% 0.176 122.9)
XYZ	xyz(41.3707, 55.8095, 13.0068)
Luminance	0.5581 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD33D #633DD3

analogous

#D3AE3D #ADD33D #62D33D

triadic

#ADD33D #3DADD3 #D33DAD

tetradic

#ADD33D #3DD3AE #633DD3 #D33D62

square

#ADD33D #3DD3AE #633DD3 #D33D62

split-complementary

#ADD33D #3D62D3 #AE3DD3

monochromatic

#627A1C #8AAC27 #ADD33D #C2DE6F #D7EAA1

Accessibility & contrast

On white

1.73

#ADD33D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#ADD33D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD33D

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD33D	#FFFFFF	#000000	##000000
##ADD33D	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)

#DFC622

Deuteranopia (green-blind)

#DAC54A

Tritanopia (blue-blind)

#B6C8B6

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #add33d;
/* rgb */ color: rgb(173, 211, 61);
/* oklch */ color: oklch(81.2% 0.176 122.9);

Tailwind

colors: {
  custom: {
    50: '#c9e07c',
    500: '#add33d',
    950: '#000000',
  },
}

SCSS

$custom: #add33d;
$custom-light: #c9e07c;
$custom-dark: #000000;

JSON

{
  "hex": "#add33d",
  "rgb": {
    "r": 173,
    "g": 211,
    "b": 61
  },
  "hsl": {
    "h": 75.2,
    "s": 63.025,
    "l": 53.333
  },
  "oklch": {
    "l": 0.81216,
    "c": 0.17597,
    "h": 122.9
  },
  "luminance": 0.5581
}

Semantic roles & 50–950 ramp

primary

#ADD33D

secondary

#463282

accent

#42E66B

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD33D

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

Preview Lab → · Contrast checker → · Palette generator →