#ADD33B#ADD33B

#ADD33B 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	#ADD33B
RGB	rgb(173, 211, 59)
HSL	hsl(75, 63%, 53%)
HSV	hsv(75, 72%, 83%)
CMYK	cmyk(18%, 0%, 72%, 17.3%)
CIE-LAB	lab(79.49, -32.84, 66.85)
CIE-LCH	lch(79.49, 74.48, 116.16°)
OKLab	oklab(81.2% -0.0959 0.149)
OKLCH	oklch(81.2% 0.177 122.8)
XYZ	xyz(41.3178, 55.7884, 12.7283)
Luminance	0.5579 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD33B #613BD3

analogous

#D3AD3B #ADD33B #61D33B

triadic

#ADD33B #3BADD3 #D33BAD

tetradic

#ADD33B #3BD3AD #613BD3 #D33B61

square

#ADD33B #3BD3AD #613BD3 #D33B61

split-complementary

#ADD33B #3B61D3 #AD3BD3

monochromatic

#61791B #89AB26 #ADD33B #C2DE6D #D7E99F

Accessibility & contrast

On white

1.73

#ADD33B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#ADD33B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD33B

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD33B	#FFFFFF	#000000	##000000
##ADD33B	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)

#DFC61E

Deuteranopia (green-blind)

#DAC548

Tritanopia (blue-blind)

#B6C8B6

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #add33b;
/* rgb */ color: rgb(173, 211, 59);
/* oklch */ color: oklch(81.2% 0.177 122.8);

Tailwind

colors: {
  custom: {
    50: '#c9e07b',
    500: '#add33b',
    950: '#000000',
  },
}

SCSS

$custom: #add33b;
$custom-light: #c9e07b;
$custom-dark: #000000;

JSON

{
  "hex": "#add33b",
  "rgb": {
    "r": 173,
    "g": 211,
    "b": 59
  },
  "hsl": {
    "h": 75,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.81203,
    "c": 0.17718,
    "h": 122.8
  },
  "luminance": 0.55789
}

Semantic roles & 50–950 ramp

primary

#ADD33B

secondary

#453281

accent

#41E66B

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD33B

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

Preview Lab → · Contrast checker → · Palette generator →