#A3E559#A3E559

#A3E559 is a very light, vivid yellow-green. Relative luminance 0.645; OKLCH L 85.0% C 0.183 H 130.8°. Best body text is #000000 at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#A3E559
RGB	rgb(163, 229, 89)
HSL	hsl(88, 73%, 62%)
HSV	hsv(88, 61%, 90%)
CMYK	cmyk(28.8%, 0%, 61.1%, 10.2%)
CIE-LAB	lab(84.25, -42.62, 60.03)
CIE-LCH	lch(84.25, 73.62, 125.37°)
OKLab	oklab(84.97% -0.1197 0.1388)
OKLCH	oklch(84.97% 0.183 130.8)
XYZ	xyz(44.9263, 64.5451, 19.5407)
Luminance	0.6455 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3E559 #9B59E5

analogous

#E5E159 #A3E559 #5DE559

triadic

#A3E559 #59A3E5 #E559A3

tetradic

#A3E559 #59E5E1 #9B59E5 #E5595D

square

#A3E559 #59E5E1 #9B59E5 #E5595D

split-complementary

#A3E559 #595DE5 #E159E5

monochromatic

#66A91A #86DD24 #A3E559 #C0ED8E #DEF6C3

Accessibility & contrast

On white

1.51

#A3E559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.91

#A3E559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3E559

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3E559	#FFFFFF	#000000	##000000
##A3E559	1.00	1.51	13.91	13.91
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.91	21.00	1.00	1.00
##000000	13.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD549

Deuteranopia (green-blind)

#E5D164

Tritanopia (blue-blind)

#A6DCC7

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #a3e559;
/* rgb */ color: rgb(163, 229, 89);
/* oklch */ color: oklch(85.0% 0.183 130.8);

Tailwind

colors: {
  custom: {
    50: '#c2ed8d',
    500: '#a3e559',
    950: '#000000',
  },
}

SCSS

$custom: #a3e559;
$custom-light: #c2ed8d;
$custom-dark: #000000;

JSON

{
  "hex": "#a3e559",
  "rgb": {
    "r": 163,
    "g": 229,
    "b": 89
  },
  "hsl": {
    "h": 88.286,
    "s": 72.917,
    "l": 62.353
  },
  "oklch": {
    "l": 0.8497,
    "c": 0.18332,
    "h": 130.8
  },
  "luminance": 0.64546
}

Semantic roles & 50–950 ramp

primary

#A3E559

secondary

#6E37AB

accent

#10D56D

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13160D

muted

#82857F

Preview Lab

Preview with #A3E559

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

Preview Lab → · Contrast checker → · Palette generator →