#ADD439#ADD439

#ADD439 is a light, vivid yellow-green. Relative luminance 0.563; OKLCH L 81.4% C 0.180 H 123.0°. Best body text is #000000 at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#ADD439
RGB	rgb(173, 212, 57)
HSL	hsl(75, 64%, 53%)
HSV	hsv(75, 73%, 83%)
CMYK	cmyk(18.4%, 0%, 73.1%, 16.9%)
CIE-LAB	lab(79.77, -33.41, 67.80)
CIE-LCH	lch(79.77, 75.58, 116.23°)
OKLab	oklab(81.42% -0.0977 0.1506)
OKLCH	oklch(81.42% 0.18 123)
XYZ	xyz(41.5161, 56.2664, 12.5434)
Luminance	0.5627 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD439 #6039D4

analogous

#D4AE39 #ADD439 #5FD439

triadic

#ADD439 #39ADD4 #D439AD

tetradic

#ADD439 #39D4AE #6039D4 #D4395F

square

#ADD439 #39D4AE #6039D4 #D4395F

split-complementary

#ADD439 #395FD4 #AE39D4

monochromatic

#61781A #89AB25 #ADD439 #C2DF6B #D7EA9E

Accessibility & contrast

On white

1.71

#ADD439 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.25

#ADD439 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD439

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD439	#FFFFFF	#000000	##000000
##ADD439	1.00	1.71	12.25	12.25
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.25	21.00	1.00	1.00
##000000	12.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C719

Deuteranopia (green-blind)

#DBC647

Tritanopia (blue-blind)

#B6C9B6

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #add439;
/* rgb */ color: rgb(173, 212, 57);
/* oklch */ color: oklch(81.4% 0.180 123.0);

Tailwind

colors: {
  custom: {
    50: '#c9e17a',
    500: '#add439',
    950: '#000000',
  },
}

SCSS

$custom: #add439;
$custom-light: #c9e17a;
$custom-dark: #000000;

JSON

{
  "hex": "#add439",
  "rgb": {
    "r": 173,
    "g": 212,
    "b": 57
  },
  "hsl": {
    "h": 75.097,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.81419,
    "c": 0.17952,
    "h": 123
  },
  "luminance": 0.56267
}

Semantic roles & 50–950 ramp

primary

#ADD439

secondary

#453180

accent

#40E76A

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD439

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

Preview Lab → · Contrast checker → · Palette generator →