#ADD43F#ADD43F

#ADD43F is a light, vivid yellow-green. Relative luminance 0.563; OKLCH L 81.5% C 0.176 H 123.2°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#ADD43F
RGB	rgb(173, 212, 63)
HSL	hsl(76, 63%, 54%)
HSV	hsv(76, 70%, 83%)
CMYK	cmyk(18.4%, 0%, 70.3%, 16.9%)
CIE-LAB	lab(79.80, -33.08, 65.74)
CIE-LCH	lch(79.80, 73.60, 116.71°)
OKLab	oklab(81.46% -0.0963 0.1472)
OKLCH	oklch(81.46% 0.176 123.2)
XYZ	xyz(41.6747, 56.3299, 13.3789)
Luminance	0.5633 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADD43F #663FD4

analogous

#D4B13F #ADD43F #63D43F

triadic

#ADD43F #3FADD4 #D43FAD

tetradic

#ADD43F #3FD4B1 #663FD4 #D43F63

square

#ADD43F #3FD4B1 #663FD4 #D43F63

split-complementary

#ADD43F #3F63D4 #B13FD4

monochromatic

#637D1C #8BAF27 #ADD43F #C2DF71 #D8EAA3

Accessibility & contrast

On white

1.71

#ADD43F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#ADD43F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADD43F

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADD43F	#FFFFFF	#000000	##000000
##ADD43F	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)

#E0C726

Deuteranopia (green-blind)

#DBC64C

Tritanopia (blue-blind)

#B6CAB7

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #add43f;
/* rgb */ color: rgb(173, 212, 63);
/* oklch */ color: oklch(81.5% 0.176 123.2);

Tailwind

colors: {
  custom: {
    50: '#c9e17d',
    500: '#add43f',
    950: '#000000',
  },
}

SCSS

$custom: #add43f;
$custom-light: #c9e17d;
$custom-dark: #000000;

JSON

{
  "hex": "#add43f",
  "rgb": {
    "r": 173,
    "g": 212,
    "b": 63
  },
  "hsl": {
    "h": 75.705,
    "s": 63.404,
    "l": 53.922
  },
  "oklch": {
    "l": 0.81459,
    "c": 0.17592,
    "h": 123.2
  },
  "luminance": 0.5633
}

Semantic roles & 50–950 ramp

primary

#ADD43F

secondary

#483384

accent

#41E66D

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADD43F

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

Preview Lab → · Contrast checker → · Palette generator →