#A3E45A#A3E45A

#A3E45A is a very light, vivid yellow-green. Relative luminance 0.640; OKLCH L 84.7% C 0.181 H 130.7°. Best body text is #000000 at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#A3E45A
RGB	rgb(163, 228, 90)
HSL	hsl(88, 72%, 62%)
HSV	hsv(88, 61%, 89%)
CMYK	cmyk(28.5%, 0%, 60.5%, 10.6%)
CIE-LAB	lab(83.97, -42.10, 59.30)
CIE-LCH	lch(83.97, 72.73, 125.37°)
OKLab	oklab(84.75% -0.1182 0.1374)
OKLCH	oklch(84.75% 0.181 130.7)
XYZ	xyz(44.6927, 64.0102, 19.6714)
Luminance	0.6401 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3E45A #9B5AE4

analogous

#E4E05A #A3E45A #5EE45A

triadic

#A3E45A #5AA3E4 #E45AA3

tetradic

#A3E45A #5AE4E0 #9B5AE4 #E45A5E

square

#A3E45A #5AE4E0 #9B5AE4 #E45A5E

split-complementary

#A3E45A #5A5EE4 #E05AE4

monochromatic

#66A81C #86DB25 #A3E45A #C0ED8F #DEF5C3

Accessibility & contrast

On white

1.52

#A3E45A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.80

#A3E45A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3E45A

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3E45A	#FFFFFF	#000000	##000000
##A3E45A	1.00	1.52	13.80	13.80
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.80	21.00	1.00	1.00
##000000	13.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED54A

Deuteranopia (green-blind)

#E4D064

Tritanopia (blue-blind)

#A6DBC7

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #a3e45a;
/* rgb */ color: rgb(163, 228, 90);
/* oklch */ color: oklch(84.7% 0.181 130.7);

Tailwind

colors: {
  custom: {
    50: '#c2ed8e',
    500: '#a3e45a',
    950: '#000000',
  },
}

SCSS

$custom: #a3e45a;
$custom-light: #c2ed8e;
$custom-dark: #000000;

JSON

{
  "hex": "#a3e45a",
  "rgb": {
    "r": 163,
    "g": 228,
    "b": 90
  },
  "hsl": {
    "h": 88.261,
    "s": 71.875,
    "l": 62.353
  },
  "oklch": {
    "l": 0.84748,
    "c": 0.18124,
    "h": 130.7
  },
  "luminance": 0.64012
}

Semantic roles & 50–950 ramp

primary

#A3E45A

secondary

#6E38AA

accent

#12D46D

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13160D

muted

#82857F

Preview Lab

Preview with #A3E45A

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

Preview Lab → · Contrast checker → · Palette generator →