#ADD440#ADD440

#ADD440 is a light, vivid yellow-green. Relative luminance 0.563; OKLCH L 81.5% C 0.175 H 123.2°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#ADD440
RGB	rgb(173, 212, 64)
HSL	hsl(76, 63%, 54%)
HSV	hsv(76, 70%, 83%)
CMYK	cmyk(18.4%, 0%, 69.8%, 16.9%)
CIE-LAB	lab(79.81, -33.03, 65.39)
CIE-LCH	lch(79.81, 73.26, 116.80°)
OKLab	oklab(81.47% -0.096 0.1467)
OKLCH	oklch(81.47% 0.175 123.2)
XYZ	xyz(41.7029, 56.3411, 13.5274)
Luminance	0.5634 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD440 #6740D4

analogous

#D4B140 #ADD440 #63D440

triadic

#ADD440 #40ADD4 #D440AD

tetradic

#ADD440 #40D4B1 #6740D4 #D44063

square

#ADD440 #40D4B1 #6740D4 #D44063

split-complementary

#ADD440 #4063D4 #B140D4

monochromatic

#647D1C #8CAF27 #ADD440 #C2DF72 #D8EAA4

Accessibility & contrast

On white

1.71

#ADD440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#ADD440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD440

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD440	#FFFFFF	#000000	##000000
##ADD440	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C727

Deuteranopia (green-blind)

#DBC64C

Tritanopia (blue-blind)

#B6CAB7

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #add440;
/* rgb */ color: rgb(173, 212, 64);
/* oklch */ color: oklch(81.5% 0.175 123.2);

Tailwind

colors: {
  custom: {
    50: '#c9e17e',
    500: '#add440',
    950: '#000000',
  },
}

SCSS

$custom: #add440;
$custom-light: #c9e17e;
$custom-dark: #000000;

JSON

{
  "hex": "#add440",
  "rgb": {
    "r": 173,
    "g": 212,
    "b": 64
  },
  "hsl": {
    "h": 75.811,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.81466,
    "c": 0.17529,
    "h": 123.2
  },
  "luminance": 0.56341
}

Semantic roles & 50–950 ramp

primary

#ADD440

secondary

#493385

accent

#42E66D

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD440

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

Preview Lab → · Contrast checker → · Palette generator →