#A1DD51#A1DD51

#A1DD51 is a very light, vivid yellow-green. Relative luminance 0.599; OKLCH L 82.9% C 0.180 H 129.4°. Best body text is #000000 at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#A1DD51
RGB	rgb(161, 221, 81)
HSL	hsl(86, 67%, 59%)
HSV	hsv(86, 63%, 87%)
CMYK	cmyk(27.1%, 0%, 63.3%, 13.3%)
CIE-LAB	lab(81.77, -40.48, 60.62)
CIE-LCH	lch(81.77, 72.89, 123.74°)
OKLab	oklab(82.91% -0.1144 0.1392)
OKLCH	oklch(82.91% 0.18 129.4)
XYZ	xyz(42.0394, 59.8830, 17.1267)
Luminance	0.5988 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1DD51 #8D51DD

analogous

#DDD351 #A1DD51 #5BDD51

triadic

#A1DD51 #51A1DD #DD51A1

tetradic

#A1DD51 #51DDD3 #8D51DD #DD515B

square

#A1DD51 #51DDD3 #8D51DD #DD515B

split-complementary

#A1DD51 #515BDD #D351DD

monochromatic

#62961D #84C927 #A1DD51 #BDE784 #D8F1B7

Accessibility & contrast

On white

1.62

#A1DD51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.98

#A1DD51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1DD51

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1DD51	#FFFFFF	#000000	##000000
##A1DD51	1.00	1.62	12.98	12.98
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.98	21.00	1.00	1.00
##000000	12.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CE3F

Deuteranopia (green-blind)

#DFCA5C

Tritanopia (blue-blind)

#A5D4C0

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #a1dd51;
/* rgb */ color: rgb(161, 221, 81);
/* oklch */ color: oklch(82.9% 0.180 129.4);

Tailwind

colors: {
  custom: {
    50: '#c0e888',
    500: '#a1dd51',
    950: '#000000',
  },
}

SCSS

$custom: #a1dd51;
$custom-light: #c0e888;
$custom-dark: #000000;

JSON

{
  "hex": "#a1dd51",
  "rgb": {
    "r": 161,
    "g": 221,
    "b": 81
  },
  "hsl": {
    "h": 85.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.8291,
    "c": 0.18015,
    "h": 129.4
  },
  "luminance": 0.59884
}

Semantic roles & 50–950 ramp

primary

#A1DD51

secondary

#62389B

accent

#3EEA88

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#13160C

muted

#82847F

Preview Lab

Preview with #A1DD51

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

Preview Lab → · Contrast checker → · Palette generator →