#ADD028#ADD028

#ADD028 is a light, vivid yellow-green. Relative luminance 0.541; OKLCH L 80.4% C 0.183 H 121.5°. Best body text is #000000 at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#ADD028
RGB	rgb(173, 208, 40)
HSL	hsl(73, 68%, 49%)
HSV	hsv(73, 81%, 82%)
CMYK	cmyk(16.8%, 0%, 80.8%, 18.4%)
CIE-LAB	lab(78.55, -32.30, 71.76)
CIE-LCH	lch(78.55, 78.70, 114.23°)
OKLab	oklab(80.41% -0.0959 0.1563)
OKLCH	oklch(80.41% 0.183 121.5)
XYZ	xyz(40.1732, 54.1492, 10.3425)
Luminance	0.5415 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD028 #4B28D0

analogous

#D09F28 #ADD028 #59D028

triadic

#ADD028 #28ADD0 #D028AD

tetradic

#ADD028 #28D09F #4B28D0 #D02859

square

#ADD028 #28D09F #4B28D0 #D02859

split-complementary

#ADD028 #2859D0 #9F28D0

monochromatic

#586914 #829D1E #ADD028 #C2DF57 #D5E88A

Accessibility & contrast

On white

1.78

#ADD028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.83

#ADD028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD028

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD028	#FFFFFF	#000000	##000000
##ADD028	1.00	1.78	11.83	11.83
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.83	21.00	1.00	1.00
##000000	11.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC300

Deuteranopia (green-blind)

#D9C23A

Tritanopia (blue-blind)

#B7C5B2

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #add028;
/* rgb */ color: rgb(173, 208, 40);
/* oklch */ color: oklch(80.4% 0.183 121.5);

Tailwind

colors: {
  custom: {
    50: '#cade72',
    500: '#add028',
    950: '#000000',
  },
}

SCSS

$custom: #add028;
$custom-light: #cade72;
$custom-dark: #000000;

JSON

{
  "hex": "#add028",
  "rgb": {
    "r": 173,
    "g": 208,
    "b": 40
  },
  "hsl": {
    "h": 72.5,
    "s": 67.742,
    "l": 48.627
  },
  "oklch": {
    "l": 0.8041,
    "c": 0.18332,
    "h": 121.5
  },
  "luminance": 0.54149
}

Semantic roles & 50–950 ramp

primary

#ADD028

secondary

#382973

accent

#3DEB61

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#141509

muted

#83847D

Preview Lab

Preview with #ADD028

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

Preview Lab → · Contrast checker → · Palette generator →