#A9DF51#A9DF51

#A9DF51 is a very light, vivid yellow-green. Relative luminance 0.618; OKLCH L 83.9% C 0.179 H 127.6°. Best body text is #000000 at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#A9DF51
RGB	rgb(169, 223, 81)
HSL	hsl(83, 69%, 60%)
HSV	hsv(83, 64%, 87%)
CMYK	cmyk(24.2%, 0%, 63.7%, 12.5%)
CIE-LAB	lab(82.81, -38.42, 61.87)
CIE-LCH	lch(82.81, 72.83, 121.84°)
OKLab	oklab(83.87% -0.1092 0.1417)
OKLCH	oklch(83.87% 0.179 127.6)
XYZ	xyz(44.2350, 61.8036, 17.3817)
Luminance	0.6180 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9DF51 #8751DF

analogous

#DFCE51 #A9DF51 #62DF51

triadic

#A9DF51 #51A9DF #DF51A9

tetradic

#A9DF51 #51DFCE #8751DF #DF5162

square

#A9DF51 #51DFCE #8751DF #DF5162

split-complementary

#A9DF51 #5162DF #CE51DF

monochromatic

#6A991C #8DCD26 #A9DF51 #C3E985 #DCF2B8

Accessibility & contrast

On white

1.57

#A9DF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.36

#A9DF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9DF51

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9DF51	#FFFFFF	#000000	##000000
##A9DF51	1.00	1.57	13.36	13.36
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.36	21.00	1.00	1.00
##000000	13.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD03F

Deuteranopia (green-blind)

#E2CD5C

Tritanopia (blue-blind)

#AFD5C2

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #a9df51;
/* rgb */ color: rgb(169, 223, 81);
/* oklch */ color: oklch(83.9% 0.179 127.6);

Tailwind

colors: {
  custom: {
    50: '#c6e988',
    500: '#a9df51',
    950: '#000000',
  },
}

SCSS

$custom: #a9df51;
$custom-light: #c6e988;
$custom-dark: #000000;

JSON

{
  "hex": "#a9df51",
  "rgb": {
    "r": 169,
    "g": 223,
    "b": 81
  },
  "hsl": {
    "h": 82.817,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.8387,
    "c": 0.17887,
    "h": 127.6
  },
  "luminance": 0.61804
}

Semantic roles & 50–950 ramp

primary

#A9DF51

secondary

#5E379D

accent

#3CEC7F

background

#FEFEFC

surface

#FAFDF4

border

#D3D5CE

text

#13160C

muted

#83847F

Preview Lab

Preview with #A9DF51

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

Preview Lab → · Contrast checker → · Palette generator →