#ADD33A#ADD33A

#ADD33A is a light, vivid yellow-green. Relative luminance 0.558; OKLCH L 81.2% C 0.178 H 122.8°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#ADD33A
RGB	rgb(173, 211, 58)
HSL	hsl(75, 63%, 53%)
HSV	hsv(75, 73%, 83%)
CMYK	cmyk(18%, 0%, 72.5%, 17.3%)
CIE-LAB	lab(79.49, -32.90, 67.19)
CIE-LCH	lch(79.49, 74.81, 116.09°)
OKLab	oklab(81.2% -0.0962 0.1495)
OKLCH	oklch(81.2% 0.178 122.8)
XYZ	xyz(41.2921, 55.7781, 12.5930)
Luminance	0.5578 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD33A #603AD3

analogous

#D3AC3A #ADD33A #60D33A

triadic

#ADD33A #3AADD3 #D33AAD

tetradic

#ADD33A #3AD3AC #603AD3 #D33A60

square

#ADD33A #3AD3AC #603AD3 #D33A60

split-complementary

#ADD33A #3A60D3 #AC3AD3

monochromatic

#61781B #89AA26 #ADD33A #C2DE6C #D7E99E

Accessibility & contrast

On white

1.73

#ADD33A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#ADD33A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD33A

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD33A	#FFFFFF	#000000	##000000
##ADD33A	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)

#DFC61C

Deuteranopia (green-blind)

#DAC548

Tritanopia (blue-blind)

#B6C8B6

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #add33a;
/* rgb */ color: rgb(173, 211, 58);
/* oklch */ color: oklch(81.2% 0.178 122.8);

Tailwind

colors: {
  custom: {
    50: '#c9e07a',
    500: '#add33a',
    950: '#000000',
  },
}

SCSS

$custom: #add33a;
$custom-light: #c9e07a;
$custom-dark: #000000;

JSON

{
  "hex": "#add33a",
  "rgb": {
    "r": 173,
    "g": 211,
    "b": 58
  },
  "hsl": {
    "h": 74.902,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.81196,
    "c": 0.17777,
    "h": 122.8
  },
  "luminance": 0.55778
}

Semantic roles & 50–950 ramp

primary

#ADD33A

secondary

#453180

accent

#41E76A

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD33A

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

Preview Lab → · Contrast checker → · Palette generator →