#A9DB51#A9DB51

#A9DB51 is a very light, vivid yellow-green. Relative luminance 0.597; OKLCH L 82.9% C 0.174 H 126.8°. Best body text is #000000 at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#A9DB51
RGB	rgb(169, 219, 81)
HSL	hsl(82, 66%, 59%)
HSV	hsv(82, 63%, 86%)
CMYK	cmyk(22.8%, 0%, 63%, 14.1%)
CIE-LAB	lab(81.67, -36.62, 60.64)
CIE-LCH	lch(81.67, 70.84, 121.13°)
OKLab	oklab(82.95% -0.1042 0.1391)
OKLCH	oklch(82.95% 0.174 126.8)
XYZ	xyz(43.1789, 59.6914, 17.0297)
Luminance	0.5969 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9DB51 #8351DB

analogous

#DBC851 #A9DB51 #64DB51

triadic

#A9DB51 #51A9DB #DB51A9

tetradic

#A9DB51 #51DBC8 #8351DB #DB5164

square

#A9DB51 #51DBC8 #8351DB #DB5164

split-complementary

#A9DB51 #5164DB #C851DB

monochromatic

#69931E #8DC629 #A9DB51 #C2E584 #DBF0B6

Accessibility & contrast

On white

1.62

#A9DB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.94

#A9DB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9DB51

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9DB51	#FFFFFF	#000000	##000000
##A9DB51	1.00	1.62	12.94	12.94
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.94	21.00	1.00	1.00
##000000	12.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CD40

Deuteranopia (green-blind)

#DFCA5B

Tritanopia (blue-blind)

#AFD1BE

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #a9db51;
/* rgb */ color: rgb(169, 219, 81);
/* oklch */ color: oklch(82.9% 0.174 126.8);

Tailwind

colors: {
  custom: {
    50: '#c6e688',
    500: '#a9db51',
    950: '#000000',
  },
}

SCSS

$custom: #a9db51;
$custom-light: #c6e688;
$custom-dark: #000000;

JSON

{
  "hex": "#a9db51",
  "rgb": {
    "r": 169,
    "g": 219,
    "b": 81
  },
  "hsl": {
    "h": 81.739,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.82948,
    "c": 0.1738,
    "h": 126.8
  },
  "luminance": 0.59692
}

Semantic roles & 50–950 ramp

primary

#A9DB51

secondary

#5B3898

accent

#3FE97D

background

#FEFEFC

surface

#FAFCF4

border

#D3D5CE

text

#13160C

muted

#83847F

Preview Lab

Preview with #A9DB51

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

Preview Lab → · Contrast checker → · Palette generator →