#ADD437#ADD437

#ADD437 is a light, vivid yellow-green. Relative luminance 0.562; OKLCH L 81.4% C 0.181 H 122.9°. Best body text is #000000 at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#ADD437
RGB	rgb(173, 212, 55)
HSL	hsl(75, 65%, 52%)
HSV	hsv(75, 74%, 83%)
CMYK	cmyk(18.4%, 0%, 74.1%, 16.9%)
CIE-LAB	lab(79.75, -33.51, 68.45)
CIE-LCH	lch(79.75, 76.21, 116.09°)
OKLab	oklab(81.41% -0.0981 0.1517)
OKLCH	oklch(81.41% 0.181 122.9)
XYZ	xyz(41.4672, 56.2468, 12.2858)
Luminance	0.5625 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD437 #5E37D4

analogous

#D4AC37 #ADD437 #5FD437

triadic

#ADD437 #37ADD4 #D437AD

tetradic

#ADD437 #37D4AC #5E37D4 #D4375F

square

#ADD437 #37D4AC #5E37D4 #D4375F

split-complementary

#ADD437 #375FD4 #AC37D4

monochromatic

#60771A #88A924 #ADD437 #C2DF69 #D6EA9C

Accessibility & contrast

On white

1.71

#ADD437 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.25

#ADD437 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD437

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD437	#FFFFFF	#000000	##000000
##ADD437	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)

#E0C714

Deuteranopia (green-blind)

#DBC645

Tritanopia (blue-blind)

#B6C9B6

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #add437;
/* rgb */ color: rgb(173, 212, 55);
/* oklch */ color: oklch(81.4% 0.181 122.9);

Tailwind

colors: {
  custom: {
    50: '#c9e179',
    500: '#add437',
    950: '#000000',
  },
}

SCSS

$custom: #add437;
$custom-light: #c9e179;
$custom-dark: #000000;

JSON

{
  "hex": "#add437",
  "rgb": {
    "r": 173,
    "g": 212,
    "b": 55
  },
  "hsl": {
    "h": 74.904,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.81406,
    "c": 0.18064,
    "h": 122.9
  },
  "luminance": 0.56247
}

Semantic roles & 50–950 ramp

primary

#ADD437

secondary

#44307F

accent

#40E86A

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD437

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

Preview Lab → · Contrast checker → · Palette generator →