#ADDA39#ADDA39

#ADDA39 is a very light, vivid yellow-green. Relative luminance 0.593; OKLCH L 82.8% C 0.187 H 124.3°. Best body text is #000000 at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#ADDA39
RGB	rgb(173, 218, 57)
HSL	hsl(77, 69%, 54%)
HSV	hsv(77, 74%, 85%)
CMYK	cmyk(20.6%, 0%, 73.9%, 14.5%)
CIE-LAB	lab(81.47, -36.15, 69.43)
CIE-LCH	lch(81.47, 78.28, 117.51°)
OKLab	oklab(82.8% -0.1052 0.1541)
OKLCH	oklch(82.8% 0.187 124.3)
XYZ	xyz(43.0439, 59.3220, 13.0527)
Luminance	0.5932 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADDA39 #6639DA

analogous

#DAB739 #ADDA39 #5DDA39

triadic

#ADDA39 #39ADDA #DA39AD

tetradic

#ADDA39 #39DAB7 #6639DA #DA395D

square

#ADDA39 #39DAB7 #6639DA #DA395D

split-complementary

#ADDA39 #395DDA #B739DA

monochromatic

#638118 #8BB422 #ADDA39 #C2E46D #D8EDA0

Accessibility & contrast

On white

1.63

#ADDA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.86

#ADDA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADDA39

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADDA39	#FFFFFF	#000000	##000000
##ADDA39	1.00	1.63	12.86	12.86
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.86	21.00	1.00	1.00
##000000	12.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CC15

Deuteranopia (green-blind)

#E0CA48

Tritanopia (blue-blind)

#B5CFBB

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #adda39;
/* rgb */ color: rgb(173, 218, 57);
/* oklch */ color: oklch(82.8% 0.187 124.3);

Tailwind

colors: {
  custom: {
    50: '#c9e57b',
    500: '#adda39',
    950: '#000000',
  },
}

SCSS

$custom: #adda39;
$custom-light: #c9e57b;
$custom-dark: #000000;

JSON

{
  "hex": "#adda39",
  "rgb": {
    "r": 173,
    "g": 218,
    "b": 57
  },
  "hsl": {
    "h": 76.77,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.82796,
    "c": 0.18655,
    "h": 124.3
  },
  "luminance": 0.59322
}

Semantic roles & 50–950 ramp

primary

#ADDA39

secondary

#483088

accent

#3CEB6D

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #ADDA39

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

Preview Lab → · Contrast checker → · Palette generator →