#ADD43B#ADD43B

#ADD43B is a light, vivid yellow-green. Relative luminance 0.563; OKLCH L 81.4% C 0.178 H 123.0°. Best body text is #000000 at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#ADD43B
RGB	rgb(173, 212, 59)
HSL	hsl(75, 64%, 53%)
HSV	hsv(75, 72%, 83%)
CMYK	cmyk(18.4%, 0%, 72.2%, 16.9%)
CIE-LAB	lab(79.78, -33.31, 67.13)
CIE-LCH	lch(79.78, 74.94, 116.39°)
OKLab	oklab(81.43% -0.0972 0.1495)
OKLCH	oklch(81.43% 0.178 123)
XYZ	xyz(41.5670, 56.2868, 12.8114)
Luminance	0.5629 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD43B #623BD4

analogous

#D4AE3B #ADD43B #60D43B

triadic

#ADD43B #3BADD4 #D43BAD

tetradic

#ADD43B #3BD4AE #623BD4 #D43B60

square

#ADD43B #3BD4AE #623BD4 #D43B60

split-complementary

#ADD43B #3B60D4 #AE3BD4

monochromatic

#627A1B #8AAC26 #ADD43B #C2DF6D #D7EA9F

Accessibility & contrast

On white

1.71

#ADD43B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.26

#ADD43B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD43B

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD43B	#FFFFFF	#000000	##000000
##ADD43B	1.00	1.71	12.26	12.26
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.26	21.00	1.00	1.00
##000000	12.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C71E

Deuteranopia (green-blind)

#DBC648

Tritanopia (blue-blind)

#B6C9B6

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #add43b;
/* rgb */ color: rgb(173, 212, 59);
/* oklch */ color: oklch(81.4% 0.178 123.0);

Tailwind

colors: {
  custom: {
    50: '#c9e17b',
    500: '#add43b',
    950: '#000000',
  },
}

SCSS

$custom: #add43b;
$custom-light: #c9e17b;
$custom-dark: #000000;

JSON

{
  "hex": "#add43b",
  "rgb": {
    "r": 173,
    "g": 212,
    "b": 59
  },
  "hsl": {
    "h": 75.294,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.81432,
    "c": 0.17836,
    "h": 123
  },
  "luminance": 0.56287
}

Semantic roles & 50–950 ramp

primary

#ADD43B

secondary

#463182

accent

#41E76B

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD43B

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

Preview Lab → · Contrast checker → · Palette generator →