#A3DF51#A3DF51

#A3DF51 is a very light, vivid yellow-green. Relative luminance 0.612; OKLCH L 83.5% C 0.182 H 129.2°. Best body text is #000000 at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#A3DF51
RGB	rgb(163, 223, 81)
HSL	hsl(85, 69%, 60%)
HSV	hsv(85, 64%, 87%)
CMYK	cmyk(26.9%, 0%, 63.7%, 12.5%)
CIE-LAB	lab(82.46, -40.64, 61.39)
CIE-LCH	lch(82.46, 73.62, 123.50°)
OKLab	oklab(83.5% -0.1149 0.1408)
OKLCH	oklch(83.5% 0.182 129.2)
XYZ	xyz(42.9769, 61.1549, 17.3228)
Luminance	0.6116 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 6.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3DF51 #8D51DF

analogous

#DFD451 #A3DF51 #5CDF51

triadic

#A3DF51 #51A3DF #DF51A3

tetradic

#A3DF51 #51DFD4 #8D51DF #DF515C

square

#A3DF51 #51DFD4 #8D51DF #DF515C

split-complementary

#A3DF51 #515CDF #D451DF

monochromatic

#64991C #86CD26 #A3DF51 #BEE985 #DAF2B8

Accessibility & contrast

On white

1.59

#A3DF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.23

#A3DF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3DF51

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3DF51	#FFFFFF	#000000	##000000
##A3DF51	1.00	1.59	13.23	13.23
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.23	21.00	1.00	1.00
##000000	13.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D03F

Deuteranopia (green-blind)

#E1CC5C

Tritanopia (blue-blind)

#A7D6C2

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #a3df51;
/* rgb */ color: rgb(163, 223, 81);
/* oklch */ color: oklch(83.5% 0.182 129.2);

Tailwind

colors: {
  custom: {
    50: '#c2e988',
    500: '#a3df51',
    950: '#000000',
  },
}

SCSS

$custom: #a3df51;
$custom-light: #c2e988;
$custom-dark: #000000;

JSON

{
  "hex": "#a3df51",
  "rgb": {
    "r": 163,
    "g": 223,
    "b": 81
  },
  "hsl": {
    "h": 85.352,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.83498,
    "c": 0.18172,
    "h": 129.2
  },
  "luminance": 0.61156
}

Semantic roles & 50–950 ramp

primary

#A3DF51

secondary

#62379D

accent

#3CEC86

background

#FDFEFC

surface

#F9FDF4

border

#D2D5CE

text

#13160C

muted

#82847F

Preview Lab

Preview with #A3DF51

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

Preview Lab → · Contrast checker → · Palette generator →