#ADD539#ADD539

#ADD539 is a light, vivid yellow-green. Relative luminance 0.568; OKLCH L 81.6% C 0.181 H 123.2°. Best body text is #000000 at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#ADD539
RGB	rgb(173, 213, 57)
HSL	hsl(75, 65%, 53%)
HSV	hsv(75, 73%, 84%)
CMYK	cmyk(18.8%, 0%, 73.2%, 16.5%)
CIE-LAB	lab(80.05, -33.87, 68.07)
CIE-LCH	lch(80.05, 76.03, 116.45°)
OKLab	oklab(81.65% -0.0989 0.1512)
OKLCH	oklch(81.65% 0.181 123.2)
XYZ	xyz(41.7669, 56.7679, 12.6270)
Luminance	0.5677 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD539 #6139D5

analogous

#D5AF39 #ADD539 #5FD539

triadic

#ADD539 #39ADD5 #D539AD

tetradic

#ADD539 #39D5AF #6139D5 #D5395F

square

#ADD539 #39D5AF #6139D5 #D5395F

split-complementary

#ADD539 #395FD5 #AF39D5

monochromatic

#617A1A #89AC25 #ADD539 #C2E06B #D7EA9E

Accessibility & contrast

On white

1.70

#ADD539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.35

#ADD539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD539

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD539	#FFFFFF	#000000	##000000
##ADD539	1.00	1.70	12.35	12.35
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.35	21.00	1.00	1.00
##000000	12.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C818

Deuteranopia (green-blind)

#DCC647

Tritanopia (blue-blind)

#B6CAB7

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #add539;
/* rgb */ color: rgb(173, 213, 57);
/* oklch */ color: oklch(81.6% 0.181 123.2);

Tailwind

colors: {
  custom: {
    50: '#c9e27a',
    500: '#add539',
    950: '#000000',
  },
}

SCSS

$custom: #add539;
$custom-light: #c9e27a;
$custom-dark: #000000;

JSON

{
  "hex": "#add539",
  "rgb": {
    "r": 173,
    "g": 213,
    "b": 57
  },
  "hsl": {
    "h": 75.385,
    "s": 65,
    "l": 52.941
  },
  "oklch": {
    "l": 0.81648,
    "c": 0.18068,
    "h": 123.2
  },
  "luminance": 0.56768
}

Semantic roles & 50–950 ramp

primary

#ADD539

secondary

#453182

accent

#40E86B

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD539

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

Preview Lab → · Contrast checker → · Palette generator →