#A9DD57#A9DD57

#A9DD57 is a very light, vivid yellow-green. Relative luminance 0.608; OKLCH L 83.5% C 0.172 H 127.7°. Best body text is #000000 at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#A9DD57
RGB	rgb(169, 221, 87)
HSL	hsl(83, 66%, 60%)
HSV	hsv(83, 61%, 87%)
CMYK	cmyk(23.5%, 0%, 60.6%, 13.3%)
CIE-LAB	lab(82.29, -37.05, 58.81)
CIE-LCH	lch(82.29, 69.51, 122.21°)
OKLab	oklab(83.47% -0.1049 0.1359)
OKLCH	oklch(83.47% 0.172 127.7)
XYZ	xyz(43.9389, 60.8352, 18.4424)
Luminance	0.6084 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9DD57 #8B57DD

analogous

#DDCE57 #A9DD57 #66DD57

triadic

#A9DD57 #57A9DD #DD57A9

tetradic

#A9DD57 #57DDCE #8B57DD #DD5766

square

#A9DD57 #57DDCE #8B57DD #DD5766

split-complementary

#A9DD57 #5766DD #CE57DD

monochromatic

#6B9A1F #8ECD2A #A9DD57 #C3E78A #DDF2BD

Accessibility & contrast

On white

1.59

#A9DD57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.17

#A9DD57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9DD57

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9DD57	#FFFFFF	#000000	##000000
##A9DD57	1.00	1.59	13.17	13.17
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.17	21.00	1.00	1.00
##000000	13.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CF48

Deuteranopia (green-blind)

#E0CC61

Tritanopia (blue-blind)

#AED4C1

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #a9dd57;
/* rgb */ color: rgb(169, 221, 87);
/* oklch */ color: oklch(83.5% 0.172 127.7);

Tailwind

colors: {
  custom: {
    50: '#c6e78b',
    500: '#a9dd57',
    950: '#000000',
  },
}

SCSS

$custom: #a9dd57;
$custom-light: #c6e78b;
$custom-dark: #000000;

JSON

{
  "hex": "#a9dd57",
  "rgb": {
    "r": 169,
    "g": 221,
    "b": 87
  },
  "hsl": {
    "h": 83.284,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.83466,
    "c": 0.17168,
    "h": 127.7
  },
  "luminance": 0.60836
}

Semantic roles & 50–950 ramp

primary

#A9DD57

secondary

#613A9E

accent

#17CE5E

background

#FEFEFC

surface

#FAFCF4

border

#D3D5CE

text

#13160C

muted

#83847F

Preview Lab

Preview with #A9DD57

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

Preview Lab → · Contrast checker → · Palette generator →