#A9DA51#A9DA51

#A9DA51 is a very light, vivid yellow-green. Relative luminance 0.592; OKLCH L 82.7% C 0.173 H 126.6°. Best body text is #000000 at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#A9DA51
RGB	rgb(169, 218, 81)
HSL	hsl(81, 65%, 59%)
HSV	hsv(81, 63%, 85%)
CMYK	cmyk(22.5%, 0%, 62.8%, 14.5%)
CIE-LAB	lab(81.39, -36.17, 60.33)
CIE-LCH	lch(81.39, 70.34, 120.94°)
OKLab	oklab(82.72% -0.103 0.1384)
OKLCH	oklch(82.72% 0.173 126.6)
XYZ	xyz(42.9188, 59.1712, 16.9430)
Luminance	0.5917 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9DA51 #8251DA

analogous

#DAC651 #A9DA51 #64DA51

triadic

#A9DA51 #51A9DA #DA51A9

tetradic

#A9DA51 #51DAC6 #8251DA #DA5164

square

#A9DA51 #51DAC6 #8251DA #DA5164

split-complementary

#A9DA51 #5164DA #C651DA

monochromatic

#69921F #8DC42A #A9DA51 #C2E583 #DBEFB6

Accessibility & contrast

On white

1.64

#A9DA51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.83

#A9DA51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9DA51

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9DA51	#FFFFFF	#000000	##000000
##A9DA51	1.00	1.64	12.83	12.83
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.83	21.00	1.00	1.00
##000000	12.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CC40

Deuteranopia (green-blind)

#DEC95B

Tritanopia (blue-blind)

#AFD0BD

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #a9da51;
/* rgb */ color: rgb(169, 218, 81);
/* oklch */ color: oklch(82.7% 0.173 126.6);

Tailwind

colors: {
  custom: {
    50: '#c6e588',
    500: '#a9da51',
    950: '#000000',
  },
}

SCSS

$custom: #a9da51;
$custom-light: #c6e588;
$custom-dark: #000000;

JSON

{
  "hex": "#a9da51",
  "rgb": {
    "r": 169,
    "g": 218,
    "b": 81
  },
  "hsl": {
    "h": 81.46,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.82718,
    "c": 0.17253,
    "h": 126.6
  },
  "luminance": 0.59172
}

Semantic roles & 50–950 ramp

primary

#A9DA51

secondary

#5A3997

accent

#40E87C

background

#FEFEFC

surface

#FAFCF4

border

#D3D5CE

text

#13150C

muted

#83847F

Preview Lab

Preview with #A9DA51

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

Preview Lab → · Contrast checker → · Palette generator →