#A3DD51#A3DD51

#A3DD51 is a very light, vivid yellow-green. Relative luminance 0.601; OKLCH L 83.0% C 0.179 H 128.9°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#A3DD51
RGB	rgb(163, 221, 81)
HSL	hsl(85, 67%, 59%)
HSV	hsv(85, 63%, 87%)
CMYK	cmyk(26.2%, 0%, 63.3%, 13.3%)
CIE-LAB	lab(81.89, -39.75, 60.77)
CIE-LCH	lch(81.89, 72.62, 123.19°)
OKLab	oklab(83.03% -0.1125 0.1395)
OKLCH	oklch(83.03% 0.179 128.9)
XYZ	xyz(42.4457, 60.0925, 17.1457)
Luminance	0.6009 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3DD51 #8B51DD

analogous

#DDD151 #A3DD51 #5DDD51

triadic

#A3DD51 #51A3DD #DD51A3

tetradic

#A3DD51 #51DDD1 #8B51DD #DD515D

square

#A3DD51 #51DDD1 #8B51DD #DD515D

split-complementary

#A3DD51 #515DDD #D151DD

monochromatic

#64961D #86C927 #A3DD51 #BEE784 #D9F1B7

Accessibility & contrast

On white

1.61

#A3DD51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#A3DD51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3DD51

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3DD51	#FFFFFF	#000000	##000000
##A3DD51	1.00	1.61	13.02	13.02
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.02	21.00	1.00	1.00
##000000	13.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CE3F

Deuteranopia (green-blind)

#DFCA5C

Tritanopia (blue-blind)

#A8D4C0

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #a3dd51;
/* rgb */ color: rgb(163, 221, 81);
/* oklch */ color: oklch(83.0% 0.179 128.9);

Tailwind

colors: {
  custom: {
    50: '#c2e888',
    500: '#a3dd51',
    950: '#000000',
  },
}

SCSS

$custom: #a3dd51;
$custom-light: #c2e888;
$custom-dark: #000000;

JSON

{
  "hex": "#a3dd51",
  "rgb": {
    "r": 163,
    "g": 221,
    "b": 81
  },
  "hsl": {
    "h": 84.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.83033,
    "c": 0.17917,
    "h": 128.9
  },
  "luminance": 0.60094
}

Semantic roles & 50–950 ramp

primary

#A3DD51

secondary

#61389B

accent

#3EEA85

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#13160C

muted

#82847F

Preview Lab

Preview with #A3DD51

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

Preview Lab → · Contrast checker → · Palette generator →